21738533

素因数分解:

${\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:316

約数の個数: 16

約数和(自身を含む): 23265792

約数和(自身を除く): 1527259

約数列:

[1, 31, 53, 101, 131, 1643, 3131, 4061, 5353, 6943, 13231, 165943, 215233, 410161, 701243, 21738533]

約数ペア:

[(1, 21738533), (31, 701243), (53, 410161), (101, 215233), (131, 165943), (1643, 13231), (3131, 6943), (4061, 5353)]