21011472

素因数分解:

$2^4\times 3^2\times {\mathrm{79}}^1\times {\mathrm{1847}}^1$

素因数の和:1940

約数の個数: 60

約数和(自身を含む): 59579520

約数和(自身を除く): 38568048

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, 1847, 1896, 2844, 3694, 3792, 5541, 5688, 7388, 11082, 11376, 14776, 16623, 22164, 29552, 33246, 44328, 66492, 88656, 132984, 145913, 265968, 291826, 437739, 583652, 875478, 1167304, 1313217, 1750956, 2334608, 2626434, 3501912, 5252868, 7003824, 10505736, 21011472]

約数ペア:

[(1, 21011472), (2, 10505736), (3, 7003824), (4, 5252868), (6, 3501912), (8, 2626434), (9, 2334608), (12, 1750956), (16, 1313217), (18, 1167304), (24, 875478), (36, 583652), (48, 437739), (72, 291826), (79, 265968), (144, 145913), (158, 132984), (237, 88656), (316, 66492), (474, 44328), (632, 33246), (711, 29552), (948, 22164), (1264, 16623), (1422, 14776), (1847, 11376), (1896, 11082), (2844, 7388), (3694, 5688), (3792, 5541)]