21975572

素因数分解:

$2^2\times {\mathrm{127}}^1\times {\mathrm{181}}^1\times {\mathrm{239}}^1$

素因数の和:551

約数の個数: 24

約数和(自身を含む): 39137280

約数和(自身を除く): 17161708

約数列:

[1, 2, 4, 127, 181, 239, 254, 362, 478, 508, 724, 956, 22987, 30353, 43259, 45974, 60706, 86518, 91948, 121412, 173036, 5493893, 10987786, 21975572]

約数ペア:

[(1, 21975572), (2, 10987786), (4, 5493893), (127, 173036), (181, 121412), (239, 91948), (254, 86518), (362, 60706), (478, 45974), (508, 43259), (724, 30353), (956, 22987)]