21787703042

素因数分解:

$2^1\times 7^1\times {\mathrm{569}}^1\times {\mathrm{2735087}}^1$

素因数の和:2735665

約数の個数: 16

約数和(自身を含む): 37416003840

約数和(自身を除く): 15628300798

約数列:

[1, 2, 7, 14, 569, 1138, 3983, 7966, 2735087, 5470174, 19145609, 38291218, 1556264503, 3112529006, 10893851521, 21787703042]

約数ペア:

[(1, 21787703042), (2, 10893851521), (7, 3112529006), (14, 1556264503), (569, 38291218), (1138, 19145609), (3983, 5470174), (7966, 2735087)]