21537454

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1\times {\mathrm{503}}^1$

素因数の和:855

約数の個数: 16

約数和(自身を含む): 32901120

約数和(自身を除く): 11363666

約数列:

[1, 2, 79, 158, 271, 503, 542, 1006, 21409, 39737, 42818, 79474, 136313, 272626, 10768727, 21537454]

約数ペア:

[(1, 21537454), (2, 10768727), (79, 272626), (158, 136313), (271, 79474), (503, 42818), (542, 39737), (1006, 21409)]