21480176

素因数分解:

$2^4\times {\mathrm{307}}^1\times {\mathrm{4373}}^1$

素因数の和:4688

約数の個数: 20

約数和(自身を含む): 41762952

約数和(自身を除く): 20282776

約数列:

[1, 2, 4, 8, 16, 307, 614, 1228, 2456, 4373, 4912, 8746, 17492, 34984, 69968, 1342511, 2685022, 5370044, 10740088, 21480176]

約数ペア:

[(1, 21480176), (2, 10740088), (4, 5370044), (8, 2685022), (16, 1342511), (307, 69968), (614, 34984), (1228, 17492), (2456, 8746), (4373, 4912)]