21509844

素因数分解:

$2^2\times 3^1\times {\mathrm{359}}^1\times {\mathrm{4993}}^1$

素因数の和:5359

約数の個数: 24

約数和(自身を含む): 50339520

約数和(自身を除く): 28829676

約数列:

[1, 2, 3, 4, 6, 12, 359, 718, 1077, 1436, 2154, 4308, 4993, 9986, 14979, 19972, 29958, 59916, 1792487, 3584974, 5377461, 7169948, 10754922, 21509844]

約数ペア:

[(1, 21509844), (2, 10754922), (3, 7169948), (4, 5377461), (6, 3584974), (12, 1792487), (359, 59916), (718, 29958), (1077, 19972), (1436, 14979), (2154, 9986), (4308, 4993)]