21883160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{42083}}^1$

素因数の和:42107

約数の個数: 32

約数和(自身を含む): 53025840

約数和(自身を除く): 31142680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 42083, 84166, 168332, 210415, 336664, 420830, 547079, 841660, 1094158, 1683320, 2188316, 2735395, 4376632, 5470790, 10941580, 21883160]

約数ペア:

[(1, 21883160), (2, 10941580), (4, 5470790), (5, 4376632), (8, 2735395), (10, 2188316), (13, 1683320), (20, 1094158), (26, 841660), (40, 547079), (52, 420830), (65, 336664), (104, 210415), (130, 168332), (260, 84166), (520, 42083)]