21688848

素因数分解:

$2^4\times 3^2\times {\mathrm{150617}}^1$

素因数の和:150631

約数の個数: 30

約数和(自身を含む): 60699054

約数和(自身を除く): 39010206

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 150617, 301234, 451851, 602468, 903702, 1204936, 1355553, 1807404, 2409872, 2711106, 3614808, 5422212, 7229616, 10844424, 21688848]

約数ペア:

[(1, 21688848), (2, 10844424), (3, 7229616), (4, 5422212), (6, 3614808), (8, 2711106), (9, 2409872), (12, 1807404), (16, 1355553), (18, 1204936), (24, 903702), (36, 602468), (48, 451851), (72, 301234), (144, 150617)]