21559996

素因数分解:

$2^2\times {\mathrm{97}}^1\times {\mathrm{181}}^1\times {\mathrm{307}}^1$

素因数の和:589

約数の個数: 24

約数和(自身を含む): 38454416

約数和(自身を除く): 16894420

約数列:

[1, 2, 4, 97, 181, 194, 307, 362, 388, 614, 724, 1228, 17557, 29779, 35114, 55567, 59558, 70228, 111134, 119116, 222268, 5389999, 10779998, 21559996]

約数ペア:

[(1, 21559996), (2, 10779998), (4, 5389999), (97, 222268), (181, 119116), (194, 111134), (307, 70228), (362, 59558), (388, 55567), (614, 35114), (724, 29779), (1228, 17557)]