21750124

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{653}}^1\times {\mathrm{757}}^1$

素因数の和:1425

約数の個数: 24

約数和(自身を含む): 41641488

約数和(自身を除く): 19891364

約数列:

[1, 2, 4, 11, 22, 44, 653, 757, 1306, 1514, 2612, 3028, 7183, 8327, 14366, 16654, 28732, 33308, 494321, 988642, 1977284, 5437531, 10875062, 21750124]

約数ペア:

[(1, 21750124), (2, 10875062), (4, 5437531), (11, 1977284), (22, 988642), (44, 494321), (653, 33308), (757, 28732), (1306, 16654), (1514, 14366), (2612, 8327), (3028, 7183)]