21879864

素因数分解:

$2^3\times 3^2\times {\mathrm{409}}^1\times {\mathrm{743}}^1$

素因数の和:1164

約数の個数: 48

約数和(自身を含む): 59482800

約数和(自身を除く): 37602936

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 409, 743, 818, 1227, 1486, 1636, 2229, 2454, 2972, 3272, 3681, 4458, 4908, 5944, 6687, 7362, 8916, 9816, 13374, 14724, 17832, 26748, 29448, 53496, 303887, 607774, 911661, 1215548, 1823322, 2431096, 2734983, 3646644, 5469966, 7293288, 10939932, 21879864]

約数ペア:

[(1, 21879864), (2, 10939932), (3, 7293288), (4, 5469966), (6, 3646644), (8, 2734983), (9, 2431096), (12, 1823322), (18, 1215548), (24, 911661), (36, 607774), (72, 303887), (409, 53496), (743, 29448), (818, 26748), (1227, 17832), (1486, 14724), (1636, 13374), (2229, 9816), (2454, 8916), (2972, 7362), (3272, 6687), (3681, 5944), (4458, 4908)]