21954875

素因数分解:

$5^3\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:200

約数の個数: 32

約数和(自身を含む): 29023488

約数和(自身を除く): 7068613

約数列:

[1, 5, 25, 37, 47, 101, 125, 185, 235, 505, 925, 1175, 1739, 2525, 3737, 4625, 4747, 5875, 8695, 12625, 18685, 23735, 43475, 93425, 118675, 175639, 217375, 467125, 593375, 878195, 4390975, 21954875]

約数ペア:

[(1, 21954875), (5, 4390975), (25, 878195), (37, 593375), (47, 467125), (101, 217375), (125, 175639), (185, 118675), (235, 93425), (505, 43475), (925, 23735), (1175, 18685), (1739, 12625), (2525, 8695), (3737, 5875), (4625, 4747)]