21916116

素因数分解:

$2^2\times 3^3\times {\mathrm{307}}^1\times {\mathrm{661}}^1$

素因数の和:981

約数の個数: 48

約数和(自身を含む): 57090880

約数和(自身を除く): 35174764

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 307, 614, 661, 921, 1228, 1322, 1842, 1983, 2644, 2763, 3684, 3966, 5526, 5949, 7932, 8289, 11052, 11898, 16578, 17847, 23796, 33156, 35694, 71388, 202927, 405854, 608781, 811708, 1217562, 1826343, 2435124, 3652686, 5479029, 7305372, 10958058, 21916116]

約数ペア:

[(1, 21916116), (2, 10958058), (3, 7305372), (4, 5479029), (6, 3652686), (9, 2435124), (12, 1826343), (18, 1217562), (27, 811708), (36, 608781), (54, 405854), (108, 202927), (307, 71388), (614, 35694), (661, 33156), (921, 23796), (1228, 17847), (1322, 16578), (1842, 11898), (1983, 11052), (2644, 8289), (2763, 7932), (3684, 5949), (3966, 5526)]