21578643

素因数分解:

$3^5\times {\mathrm{88801}}^1$

素因数の和:88816

約数の個数: 12

約数和(自身を含む): 32323928

約数和(自身を除く): 10745285

約数列:

[1, 3, 9, 27, 81, 243, 88801, 266403, 799209, 2397627, 7192881, 21578643]

約数ペア:

[(1, 21578643), (3, 7192881), (9, 2397627), (27, 799209), (81, 266403), (243, 88801)]