21915388

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{16067}}^1$

素因数の和:16113

約数の個数: 24

約数和(自身を含む): 43190784

約数和(自身を除く): 21275396

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 124, 341, 682, 1364, 16067, 32134, 64268, 176737, 353474, 498077, 706948, 996154, 1992308, 5478847, 10957694, 21915388]

約数ペア:

[(1, 21915388), (2, 10957694), (4, 5478847), (11, 1992308), (22, 996154), (31, 706948), (44, 498077), (62, 353474), (124, 176737), (341, 64268), (682, 32134), (1364, 16067)]