21023886

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{11719}}^1$

素因数の和:11760

約数の個数: 32

約数和(自身を含む): 47255040

約数和(自身を除く): 26231154

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 138, 299, 598, 897, 1794, 11719, 23438, 35157, 70314, 152347, 269537, 304694, 457041, 539074, 808611, 914082, 1617222, 3503981, 7007962, 10511943, 21023886]

約数ペア:

[(1, 21023886), (2, 10511943), (3, 7007962), (6, 3503981), (13, 1617222), (23, 914082), (26, 808611), (39, 539074), (46, 457041), (69, 304694), (78, 269537), (138, 152347), (299, 70314), (598, 35157), (897, 23438), (1794, 11719)]