21737640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2293}}^1$

素因数の和:2386

約数の個数: 64

約数和(自身を含む): 66067200

約数和(自身を除く): 44329560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 120, 158, 237, 316, 395, 474, 632, 790, 948, 1185, 1580, 1896, 2293, 2370, 3160, 4586, 4740, 6879, 9172, 9480, 11465, 13758, 18344, 22930, 27516, 34395, 45860, 55032, 68790, 91720, 137580, 181147, 275160, 362294, 543441, 724588, 905735, 1086882, 1449176, 1811470, 2173764, 2717205, 3622940, 4347528, 5434410, 7245880, 10868820, 21737640]

約数ペア:

[(1, 21737640), (2, 10868820), (3, 7245880), (4, 5434410), (5, 4347528), (6, 3622940), (8, 2717205), (10, 2173764), (12, 1811470), (15, 1449176), (20, 1086882), (24, 905735), (30, 724588), (40, 543441), (60, 362294), (79, 275160), (120, 181147), (158, 137580), (237, 91720), (316, 68790), (395, 55032), (474, 45860), (632, 34395), (790, 27516), (948, 22930), (1185, 18344), (1580, 13758), (1896, 11465), (2293, 9480), (2370, 9172), (3160, 6879), (4586, 4740)]