21235762115

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{2437}}^1\times {\mathrm{75773}}^1$

素因数の和:78238

約数の個数: 16

約数和(自身を含む): 26602129728

約数和(自身を除く): 5366367613

約数列:

[1, 5, 23, 115, 2437, 12185, 56051, 75773, 280255, 378865, 1742779, 8713895, 184658801, 923294005, 4247152423, 21235762115]

約数ペア:

[(1, 21235762115), (5, 4247152423), (23, 923294005), (115, 184658801), (2437, 8713895), (12185, 1742779), (56051, 378865), (75773, 280255)]