21929852

素因数分解:

$2^2\times 7^2\times {\mathrm{127}}^1\times {\mathrm{881}}^1$

素因数の和:1026

約数の個数: 36

約数和(自身を含む): 45045504

約数和(自身を除く): 23115652

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 127, 196, 254, 508, 881, 889, 1762, 1778, 3524, 3556, 6167, 6223, 12334, 12446, 24668, 24892, 43169, 86338, 111887, 172676, 223774, 447548, 783209, 1566418, 3132836, 5482463, 10964926, 21929852]

約数ペア:

[(1, 21929852), (2, 10964926), (4, 5482463), (7, 3132836), (14, 1566418), (28, 783209), (49, 447548), (98, 223774), (127, 172676), (196, 111887), (254, 86338), (508, 43169), (881, 24892), (889, 24668), (1762, 12446), (1778, 12334), (3524, 6223), (3556, 6167)]