21173258

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{2887}}^1$

素因数の和:3101

約数の個数: 16

約数和(自身を含む): 33616320

約数和(自身を除く): 12443062

約数列:

[1, 2, 19, 38, 193, 386, 2887, 3667, 5774, 7334, 54853, 109706, 557191, 1114382, 10586629, 21173258]

約数ペア:

[(1, 21173258), (2, 10586629), (19, 1114382), (38, 557191), (193, 109706), (386, 54853), (2887, 7334), (3667, 5774)]