21237112

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{5519}}^1$

素因数の和:5575

約数の個数: 32

約数和(自身を含む): 44049600

約数和(自身を除く): 22812488

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 104, 148, 296, 481, 962, 1924, 3848, 5519, 11038, 22076, 44152, 71747, 143494, 204203, 286988, 408406, 573976, 816812, 1633624, 2654639, 5309278, 10618556, 21237112]

約数ペア:

[(1, 21237112), (2, 10618556), (4, 5309278), (8, 2654639), (13, 1633624), (26, 816812), (37, 573976), (52, 408406), (74, 286988), (104, 204203), (148, 143494), (296, 71747), (481, 44152), (962, 22076), (1924, 11038), (3848, 5519)]