21372180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{3329}}^1$

素因数の和:3448

約数の個数: 48

約数和(自身を含む): 60419520

約数和(自身を除く): 39047340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 107, 214, 321, 428, 535, 642, 1070, 1284, 1605, 2140, 3210, 3329, 6420, 6658, 9987, 13316, 16645, 19974, 33290, 39948, 49935, 66580, 99870, 199740, 356203, 712406, 1068609, 1424812, 1781015, 2137218, 3562030, 4274436, 5343045, 7124060, 10686090, 21372180]

約数ペア:

[(1, 21372180), (2, 10686090), (3, 7124060), (4, 5343045), (5, 4274436), (6, 3562030), (10, 2137218), (12, 1781015), (15, 1424812), (20, 1068609), (30, 712406), (60, 356203), (107, 199740), (214, 99870), (321, 66580), (428, 49935), (535, 39948), (642, 33290), (1070, 19974), (1284, 16645), (1605, 13316), (2140, 9987), (3210, 6658), (3329, 6420)]