21000875054418

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1\times {\mathrm{941}}^1\times {\mathrm{16411}}^1$

素因数の和:17661

約数の個数: 192

約数和(自身を含む): 53483549543424

約数和(自身を除く): 32482674489006

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 43, 63, 86, 126, 129, 251, 258, 301, 387, 502, 602, 753, 774, 903, 941, 1506, 1757, 1806, 1882, 2259, 2709, 2823, 3514, 4518, 5271, 5418, 5646, 6587, 8469, 10542, 10793, 13174, 15813, 16411, 16938, 19761, 21586, 31626, 32379, 32822, 39522, 40463, 49233, 59283, 64758, 75551, 80926, 97137, 98466, 114877, 118566, 121389, 147699, 151102, 194274, 226653, 229754, 236191, 242778, 283241, 295398, 344631, 364167, 453306, 472382, 566482, 679959, 689262, 705673, 708573, 728334, 849723, 1033893, 1359918, 1411346, 1417146, 1653337, 1699446, 2067786, 2117019, 2125719, 2549169, 3306674, 4119161, 4234038, 4251438, 4939711, 4960011, 5098338, 6351057, 8238322, 9879422, 9920022, 10156213, 12357483, 12702114, 14819133, 14880033, 15442751, 20312426, 24714966, 28834127, 29638266, 29760066, 30468639, 30885502, 37072449, 44457399, 46328253, 57668254, 60937278, 71093491, 74144898, 86502381, 88914798, 91405917, 92656506, 108099257, 138984759, 142186982, 173004762, 177123923, 182811834, 213280473, 216198514, 259507143, 277969518, 324297771, 354247846, 426560946, 519014286, 531371769, 639841419, 648595542, 664038293, 972893313, 1062743538, 1239867461, 1279682838, 1328076586, 1594115307, 1945786626, 1992114879, 2479734922, 3188230614, 3719602383, 3876130501, 3984229758, 4648268051, 5976344637, 7439204766, 7752261002, 9296536102, 11158807149, 11628391503, 11952689274, 13944804153, 22317614298, 23256783006, 27132913507, 27889608306, 34885174509, 41834412459, 54265827014, 69770349018, 81398740521, 83668824918, 162797481042, 166673611543, 244196221563, 333347223086, 488392443126, 500020834629, 1000041669258, 1166715280801, 1500062503887, 2333430561602, 3000125007774, 3500145842403, 7000291684806, 10500437527209, 21000875054418]

約数ペア:

[(1, 21000875054418), (2, 10500437527209), (3, 7000291684806), (6, 3500145842403), (7, 3000125007774), (9, 2333430561602), (14, 1500062503887), (18, 1166715280801), (21, 1000041669258), (42, 500020834629), (43, 488392443126), (63, 333347223086), (86, 244196221563), (126, 166673611543), (129, 162797481042), (251, 83668824918), (258, 81398740521), (301, 69770349018), (387, 54265827014), (502, 41834412459), (602, 34885174509), (753, 27889608306), (774, 27132913507), (903, 23256783006), (941, 22317614298), (1506, 13944804153), (1757, 11952689274), (1806, 11628391503), (1882, 11158807149), (2259, 9296536102), (2709, 7752261002), (2823, 7439204766), (3514, 5976344637), (4518, 4648268051), (5271, 3984229758), (5418, 3876130501), (5646, 3719602383), (6587, 3188230614), (8469, 2479734922), (10542, 1992114879), (10793, 1945786626), (13174, 1594115307), (15813, 1328076586), (16411, 1279682838), (16938, 1239867461), (19761, 1062743538), (21586, 972893313), (31626, 664038293), (32379, 648595542), (32822, 639841419), (39522, 531371769), (40463, 519014286), (49233, 426560946), (59283, 354247846), (64758, 324297771), (75551, 277969518), (80926, 259507143), (97137, 216198514), (98466, 213280473), (114877, 182811834), (118566, 177123923), (121389, 173004762), (147699, 142186982), (151102, 138984759), (194274, 108099257), (226653, 92656506), (229754, 91405917), (236191, 88914798), (242778, 86502381), (283241, 74144898), (295398, 71093491), (344631, 60937278), (364167, 57668254), (453306, 46328253), (472382, 44457399), (566482, 37072449), (679959, 30885502), (689262, 30468639), (705673, 29760066), (708573, 29638266), (728334, 28834127), (849723, 24714966), (1033893, 20312426), (1359918, 15442751), (1411346, 14880033), (1417146, 14819133), (1653337, 12702114), (1699446, 12357483), (2067786, 10156213), (2117019, 9920022), (2125719, 9879422), (2549169, 8238322), (3306674, 6351057), (4119161, 5098338), (4234038, 4960011), (4251438, 4939711)]