21938616

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:146

約数の個数: 192

約数和(自身を含む): 74880000

約数和(自身を除く): 52941384

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 19, 21, 24, 28, 29, 36, 38, 42, 56, 57, 58, 63, 72, 76, 79, 84, 87, 114, 116, 126, 133, 152, 158, 168, 171, 174, 203, 228, 232, 237, 252, 261, 266, 316, 342, 348, 399, 406, 456, 474, 504, 522, 532, 551, 553, 609, 632, 684, 696, 711, 798, 812, 948, 1044, 1064, 1102, 1106, 1197, 1218, 1368, 1422, 1501, 1596, 1624, 1653, 1659, 1827, 1896, 2088, 2204, 2212, 2291, 2394, 2436, 2844, 3002, 3192, 3306, 3318, 3654, 3857, 4408, 4424, 4503, 4582, 4788, 4872, 4959, 4977, 5688, 6004, 6612, 6636, 6873, 7308, 7714, 9006, 9164, 9576, 9918, 9954, 10507, 11571, 12008, 13224, 13272, 13509, 13746, 14616, 15428, 16037, 18012, 18328, 19836, 19908, 20619, 21014, 23142, 27018, 27492, 30856, 31521, 32074, 34713, 36024, 39672, 39816, 41238, 42028, 43529, 46284, 48111, 54036, 54984, 63042, 64148, 69426, 82476, 84056, 87058, 92568, 94563, 96222, 108072, 126084, 128296, 130587, 138852, 144333, 164952, 174116, 189126, 192444, 252168, 261174, 277704, 288666, 304703, 348232, 378252, 384888, 391761, 522348, 577332, 609406, 756504, 783522, 914109, 1044696, 1154664, 1218812, 1567044, 1828218, 2437624, 2742327, 3134088, 3656436, 5484654, 7312872, 10969308, 21938616]

約数ペア:

[(1, 21938616), (2, 10969308), (3, 7312872), (4, 5484654), (6, 3656436), (7, 3134088), (8, 2742327), (9, 2437624), (12, 1828218), (14, 1567044), (18, 1218812), (19, 1154664), (21, 1044696), (24, 914109), (28, 783522), (29, 756504), (36, 609406), (38, 577332), (42, 522348), (56, 391761), (57, 384888), (58, 378252), (63, 348232), (72, 304703), (76, 288666), (79, 277704), (84, 261174), (87, 252168), (114, 192444), (116, 189126), (126, 174116), (133, 164952), (152, 144333), (158, 138852), (168, 130587), (171, 128296), (174, 126084), (203, 108072), (228, 96222), (232, 94563), (237, 92568), (252, 87058), (261, 84056), (266, 82476), (316, 69426), (342, 64148), (348, 63042), (399, 54984), (406, 54036), (456, 48111), (474, 46284), (504, 43529), (522, 42028), (532, 41238), (551, 39816), (553, 39672), (609, 36024), (632, 34713), (684, 32074), (696, 31521), (711, 30856), (798, 27492), (812, 27018), (948, 23142), (1044, 21014), (1064, 20619), (1102, 19908), (1106, 19836), (1197, 18328), (1218, 18012), (1368, 16037), (1422, 15428), (1501, 14616), (1596, 13746), (1624, 13509), (1653, 13272), (1659, 13224), (1827, 12008), (1896, 11571), (2088, 10507), (2204, 9954), (2212, 9918), (2291, 9576), (2394, 9164), (2436, 9006), (2844, 7714), (3002, 7308), (3192, 6873), (3306, 6636), (3318, 6612), (3654, 6004), (3857, 5688), (4408, 4977), (4424, 4959), (4503, 4872), (4582, 4788)]