21357304

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2963}}^1$

素因数の和:3039

約数の個数: 32

約数和(自身を含む): 43215120

約数和(自身を除く): 21857816

約数列:

[1, 2, 4, 8, 17, 34, 53, 68, 106, 136, 212, 424, 901, 1802, 2963, 3604, 5926, 7208, 11852, 23704, 50371, 100742, 157039, 201484, 314078, 402968, 628156, 1256312, 2669663, 5339326, 10678652, 21357304]

約数ペア:

[(1, 21357304), (2, 10678652), (4, 5339326), (8, 2669663), (17, 1256312), (34, 628156), (53, 402968), (68, 314078), (106, 201484), (136, 157039), (212, 100742), (424, 50371), (901, 23704), (1802, 11852), (2963, 7208), (3604, 5926)]