22191757

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1$

素因数の和:170

約数の個数: 32

約数和(自身を含む): 28224000

約数和(自身を除く): 6032243

約数列:

[1, 7, 23, 29, 49, 97, 161, 203, 343, 667, 679, 1127, 1421, 2231, 2813, 4669, 4753, 7889, 9947, 15617, 19691, 32683, 33271, 64699, 109319, 137837, 228781, 452893, 765233, 964859, 3170251, 22191757]

約数ペア:

[(1, 22191757), (7, 3170251), (23, 964859), (29, 765233), (49, 452893), (97, 228781), (161, 137837), (203, 109319), (343, 64699), (667, 33271), (679, 32683), (1127, 19691), (1421, 15617), (2231, 9947), (2813, 7889), (4669, 4753)]