21989012

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{457}}^1\times {\mathrm{523}}^1$

素因数の和:1007

約数の個数: 24

約数和(自身を含む): 40318656

約数和(自身を除く): 18329644

約数列:

[1, 2, 4, 23, 46, 92, 457, 523, 914, 1046, 1828, 2092, 10511, 12029, 21022, 24058, 42044, 48116, 239011, 478022, 956044, 5497253, 10994506, 21989012]

約数ペア:

[(1, 21989012), (2, 10994506), (4, 5497253), (23, 956044), (46, 478022), (92, 239011), (457, 48116), (523, 42044), (914, 24058), (1046, 21022), (1828, 12029), (2092, 10511)]