221821930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{941}}^1\times {\mathrm{2143}}^1$

素因数の和:3102

約数の個数: 32

約数和(自身を含む): 436243968

約数和(自身を除く): 214422038

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 941, 1882, 2143, 4286, 4705, 9410, 10351, 10715, 20702, 21430, 23573, 47146, 51755, 103510, 117865, 235730, 2016563, 4033126, 10082815, 20165630, 22182193, 44364386, 110910965, 221821930]

約数ペア:

[(1, 221821930), (2, 110910965), (5, 44364386), (10, 22182193), (11, 20165630), (22, 10082815), (55, 4033126), (110, 2016563), (941, 235730), (1882, 117865), (2143, 103510), (4286, 51755), (4705, 47146), (9410, 23573), (10351, 21430), (10715, 20702)]