21082960275

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{296213}}^1$

素因数の和:296312

約数の個数: 48

約数和(自身を含む): 38052835296

約数和(自身を除く): 16969875021

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 73, 75, 195, 219, 325, 365, 949, 975, 1095, 1825, 2847, 4745, 5475, 14235, 23725, 71175, 296213, 888639, 1481065, 3850769, 4443195, 7405325, 11552307, 19253845, 21623549, 22215975, 57761535, 64870647, 96269225, 108117745, 281106137, 288807675, 324353235, 540588725, 843318411, 1405530685, 1621766175, 4216592055, 7027653425, 21082960275]

約数ペア:

[(1, 21082960275), (3, 7027653425), (5, 4216592055), (13, 1621766175), (15, 1405530685), (25, 843318411), (39, 540588725), (65, 324353235), (73, 288807675), (75, 281106137), (195, 108117745), (219, 96269225), (325, 64870647), (365, 57761535), (949, 22215975), (975, 21623549), (1095, 19253845), (1825, 11552307), (2847, 7405325), (4745, 4443195), (5475, 3850769), (14235, 1481065), (23725, 888639), (71175, 296213)]