21005514290

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{91328323}}^1$

素因数の和:91328353

約数の個数: 16

約数和(自身を含む): 39453835968

約数和(自身を除く): 18448321678

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 91328323, 182656646, 456641615, 913283230, 2100551429, 4201102858, 10502757145, 21005514290]

約数ペア:

[(1, 21005514290), (2, 10502757145), (5, 4201102858), (10, 2100551429), (23, 913283230), (46, 456641615), (115, 182656646), (230, 91328323)]