21865387

素因数分解:

${\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{179}}^1$

素因数の和:362

約数の個数: 16

約数和(自身を含む): 23639040

約数和(自身を除く): 1773653

約数列:

[1, 23, 47, 113, 179, 1081, 2599, 4117, 5311, 8413, 20227, 122153, 193499, 465221, 950669, 21865387]

約数ペア:

[(1, 21865387), (23, 950669), (47, 465221), (113, 193499), (179, 122153), (1081, 20227), (2599, 8413), (4117, 5311)]