21303044

素因数分解:

$2^2\times 7^3\times {\mathrm{15527}}^1$

素因数の和:15552

約数の個数: 24

約数和(自身を含む): 43478400

約数和(自身を除く): 22175356

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 15527, 31054, 62108, 108689, 217378, 434756, 760823, 1521646, 3043292, 5325761, 10651522, 21303044]

約数ペア:

[(1, 21303044), (2, 10651522), (4, 5325761), (7, 3043292), (14, 1521646), (28, 760823), (49, 434756), (98, 217378), (196, 108689), (343, 62108), (686, 31054), (1372, 15527)]