21000750170

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{16031107}}^1$

素因数の和:16031245

約数の個数: 16

約数和(自身を含む): 38089912608

約数和(自身を除く): 17089162438

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 16031107, 32062214, 80155535, 160311070, 2100075017, 4200150034, 10500375085, 21000750170]

約数ペア:

[(1, 21000750170), (2, 10500375085), (5, 4200150034), (10, 2100075017), (131, 160311070), (262, 80155535), (655, 32062214), (1310, 16031107)]