21489264

素因数分解:

$2^4\times 3^2\times {\mathrm{79}}^1\times {\mathrm{1889}}^1$

素因数の和:1982

約数の個数: 60

約数和(自身を含む): 60933600

約数和(自身を除く): 39444336

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 79, 144, 158, 237, 316, 474, 632, 711, 948, 1264, 1422, 1889, 1896, 2844, 3778, 3792, 5667, 5688, 7556, 11334, 11376, 15112, 17001, 22668, 30224, 34002, 45336, 68004, 90672, 136008, 149231, 272016, 298462, 447693, 596924, 895386, 1193848, 1343079, 1790772, 2387696, 2686158, 3581544, 5372316, 7163088, 10744632, 21489264]

約数ペア:

[(1, 21489264), (2, 10744632), (3, 7163088), (4, 5372316), (6, 3581544), (8, 2686158), (9, 2387696), (12, 1790772), (16, 1343079), (18, 1193848), (24, 895386), (36, 596924), (48, 447693), (72, 298462), (79, 272016), (144, 149231), (158, 136008), (237, 90672), (316, 68004), (474, 45336), (632, 34002), (711, 30224), (948, 22668), (1264, 17001), (1422, 15112), (1889, 11376), (1896, 11334), (2844, 7556), (3778, 5688), (3792, 5667)]