21922256

素因数分解:

$2^4\times {\mathrm{307}}^1\times {\mathrm{4463}}^1$

素因数の和:4778

約数の個数: 20

約数和(自身を含む): 42622272

約数和(自身を除く): 20700016

約数列:

[1, 2, 4, 8, 16, 307, 614, 1228, 2456, 4463, 4912, 8926, 17852, 35704, 71408, 1370141, 2740282, 5480564, 10961128, 21922256]

約数ペア:

[(1, 21922256), (2, 10961128), (4, 5480564), (8, 2740282), (16, 1370141), (307, 71408), (614, 35704), (1228, 17852), (2456, 8926), (4463, 4912)]