21242019928

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{156191323}}^1$

素因数の和:156191346

約数の個数: 16

約数和(自身を含む): 42171657480

約数和(自身を除く): 20929637552

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 156191323, 312382646, 624765292, 1249530584, 2655252491, 5310504982, 10621009964, 21242019928]

約数ペア:

[(1, 21242019928), (2, 10621009964), (4, 5310504982), (8, 2655252491), (17, 1249530584), (34, 624765292), (68, 312382646), (136, 156191323)]