21802250

素因数分解:

$2^1\times 5^3\times {\mathrm{37}}^1\times {\mathrm{2357}}^1$

素因数の和:2411

約数の個数: 32

約数和(自身を含む): 41934672

約数和(自身を除く): 20132422

約数列:

[1, 2, 5, 10, 25, 37, 50, 74, 125, 185, 250, 370, 925, 1850, 2357, 4625, 4714, 9250, 11785, 23570, 58925, 87209, 117850, 174418, 294625, 436045, 589250, 872090, 2180225, 4360450, 10901125, 21802250]

約数ペア:

[(1, 21802250), (2, 10901125), (5, 4360450), (10, 2180225), (25, 872090), (37, 589250), (50, 436045), (74, 294625), (125, 174418), (185, 117850), (250, 87209), (370, 58925), (925, 23570), (1850, 11785), (2357, 9250), (4625, 4714)]