21115702072

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{2699}}^1\times {\mathrm{12379}}^1$

素因数の和:15163

約数の個数: 32

約数和(自身を含む): 40111200000

約数和(自身を除く): 18995497928

約数列:

[1, 2, 4, 8, 79, 158, 316, 632, 2699, 5398, 10796, 12379, 21592, 24758, 49516, 99032, 213221, 426442, 852884, 977941, 1705768, 1955882, 3911764, 7823528, 33410921, 66821842, 133643684, 267287368, 2639462759, 5278925518, 10557851036, 21115702072]

約数ペア:

[(1, 21115702072), (2, 10557851036), (4, 5278925518), (8, 2639462759), (79, 267287368), (158, 133643684), (316, 66821842), (632, 33410921), (2699, 7823528), (5398, 3911764), (10796, 1955882), (12379, 1705768), (21592, 977941), (24758, 852884), (49516, 426442), (99032, 213221)]