21145416

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{51827}}^1$

素因数の和:51853

約数の個数: 32

約数和(自身を含む): 55974240

約数和(自身を除く): 34828824

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408, 51827, 103654, 155481, 207308, 310962, 414616, 621924, 881059, 1243848, 1762118, 2643177, 3524236, 5286354, 7048472, 10572708, 21145416]

約数ペア:

[(1, 21145416), (2, 10572708), (3, 7048472), (4, 5286354), (6, 3524236), (8, 2643177), (12, 1762118), (17, 1243848), (24, 881059), (34, 621924), (51, 414616), (68, 310962), (102, 207308), (136, 155481), (204, 103654), (408, 51827)]