21421558

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{4733}}^1$

素因数の和:4839

約数の個数: 16

約数和(自身を含む): 33630336

約数和(自身を除く): 12208778

約数列:

[1, 2, 31, 62, 73, 146, 2263, 4526, 4733, 9466, 146723, 293446, 345509, 691018, 10710779, 21421558]

約数ペア:

[(1, 21421558), (2, 10710779), (31, 691018), (62, 345509), (73, 293446), (146, 146723), (2263, 9466), (4526, 4733)]