21403804972

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{15289}}^1\times {\mathrm{31817}}^1$

素因数の和:47121

約数の個数: 24

約数和(自身を含む): 40865766480

約数和(自身を除く): 19461961508

約数列:

[1, 2, 4, 11, 22, 44, 15289, 30578, 31817, 61156, 63634, 127268, 168179, 336358, 349987, 672716, 699974, 1399948, 486450113, 972900226, 1945800452, 5350951243, 10701902486, 21403804972]

約数ペア:

[(1, 21403804972), (2, 10701902486), (4, 5350951243), (11, 1945800452), (22, 972900226), (44, 486450113), (15289, 1399948), (30578, 699974), (31817, 672716), (61156, 349987), (63634, 336358), (127268, 168179)]