21056370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:140

約数の個数: 128

約数和(自身を含む): 58786560

約数和(自身を除く): 37730190

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 19, 30, 34, 38, 41, 51, 53, 57, 82, 85, 95, 102, 106, 114, 123, 159, 170, 190, 205, 246, 255, 265, 285, 318, 323, 410, 510, 530, 570, 615, 646, 697, 779, 795, 901, 969, 1007, 1230, 1394, 1558, 1590, 1615, 1802, 1938, 2014, 2091, 2173, 2337, 2703, 3021, 3230, 3485, 3895, 4182, 4346, 4505, 4674, 4845, 5035, 5406, 6042, 6519, 6970, 7790, 9010, 9690, 10070, 10455, 10865, 11685, 13038, 13243, 13515, 15105, 17119, 20910, 21730, 23370, 26486, 27030, 30210, 32595, 34238, 36941, 39729, 41287, 51357, 65190, 66215, 73882, 79458, 82574, 85595, 102714, 110823, 123861, 132430, 171190, 184705, 198645, 206435, 221646, 247722, 256785, 369410, 397290, 412870, 513570, 554115, 619305, 701879, 1108230, 1238610, 1403758, 2105637, 3509395, 4211274, 7018790, 10528185, 21056370]

約数ペア:

[(1, 21056370), (2, 10528185), (3, 7018790), (5, 4211274), (6, 3509395), (10, 2105637), (15, 1403758), (17, 1238610), (19, 1108230), (30, 701879), (34, 619305), (38, 554115), (41, 513570), (51, 412870), (53, 397290), (57, 369410), (82, 256785), (85, 247722), (95, 221646), (102, 206435), (106, 198645), (114, 184705), (123, 171190), (159, 132430), (170, 123861), (190, 110823), (205, 102714), (246, 85595), (255, 82574), (265, 79458), (285, 73882), (318, 66215), (323, 65190), (410, 51357), (510, 41287), (530, 39729), (570, 36941), (615, 34238), (646, 32595), (697, 30210), (779, 27030), (795, 26486), (901, 23370), (969, 21730), (1007, 20910), (1230, 17119), (1394, 15105), (1558, 13515), (1590, 13243), (1615, 13038), (1802, 11685), (1938, 10865), (2014, 10455), (2091, 10070), (2173, 9690), (2337, 9010), (2703, 7790), (3021, 6970), (3230, 6519), (3485, 6042), (3895, 5406), (4182, 5035), (4346, 4845), (4505, 4674)]