21515851115

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1459}}^1\times {\mathrm{5059}}^1$

素因数の和:6587

約数の個数: 32

約数和(自身を含む): 28722988800

約数和(自身を除く): 7207137685

約数列:

[1, 5, 11, 53, 55, 265, 583, 1459, 2915, 5059, 7295, 16049, 25295, 55649, 77327, 80245, 268127, 278245, 386635, 850597, 1340635, 2949397, 4252985, 7381081, 14746985, 36905405, 81191891, 391197293, 405959455, 1955986465, 4303170223, 21515851115]

約数ペア:

[(1, 21515851115), (5, 4303170223), (11, 1955986465), (53, 405959455), (55, 391197293), (265, 81191891), (583, 36905405), (1459, 14746985), (2915, 7381081), (5059, 4252985), (7295, 2949397), (16049, 1340635), (25295, 850597), (55649, 386635), (77327, 278245), (80245, 268127)]