21572252

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1061}}^1$

素因数の和:1118

約数の個数: 48

約数和(自身を含む): 44960832

約数和(自身を除く): 23388580

約数列:

[1, 2, 4, 13, 17, 23, 26, 34, 46, 52, 68, 92, 221, 299, 391, 442, 598, 782, 884, 1061, 1196, 1564, 2122, 4244, 5083, 10166, 13793, 18037, 20332, 24403, 27586, 36074, 48806, 55172, 72148, 97612, 234481, 317239, 414851, 468962, 634478, 829702, 937924, 1268956, 1659404, 5393063, 10786126, 21572252]

約数ペア:

[(1, 21572252), (2, 10786126), (4, 5393063), (13, 1659404), (17, 1268956), (23, 937924), (26, 829702), (34, 634478), (46, 468962), (52, 414851), (68, 317239), (92, 234481), (221, 97612), (299, 72148), (391, 55172), (442, 48806), (598, 36074), (782, 27586), (884, 24403), (1061, 20332), (1196, 18037), (1564, 13793), (2122, 10166), (4244, 5083)]