21230008

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{4219}}^1$

素因数の和:4279

約数の個数: 32

約数和(自身を含む): 43297200

約数和(自身を除く): 22067192

約数列:

[1, 2, 4, 8, 17, 34, 37, 68, 74, 136, 148, 296, 629, 1258, 2516, 4219, 5032, 8438, 16876, 33752, 71723, 143446, 156103, 286892, 312206, 573784, 624412, 1248824, 2653751, 5307502, 10615004, 21230008]

約数ペア:

[(1, 21230008), (2, 10615004), (4, 5307502), (8, 2653751), (17, 1248824), (34, 624412), (37, 573784), (68, 312206), (74, 286892), (136, 156103), (148, 143446), (296, 71723), (629, 33752), (1258, 16876), (2516, 8438), (4219, 5032)]