21303344

素因数分解:

$2^4\times {\mathrm{307}}^1\times {\mathrm{4337}}^1$

素因数の和:4652

約数の個数: 20

約数和(自身を含む): 41419224

約数和(自身を除く): 20115880

約数列:

[1, 2, 4, 8, 16, 307, 614, 1228, 2456, 4337, 4912, 8674, 17348, 34696, 69392, 1331459, 2662918, 5325836, 10651672, 21303344]

約数ペア:

[(1, 21303344), (2, 10651672), (4, 5325836), (8, 2662918), (16, 1331459), (307, 69392), (614, 34696), (1228, 17348), (2456, 8674), (4337, 4912)]