21295924

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{541}}^1\times {\mathrm{757}}^1$

素因数の和:1315

約数の個数: 24

約数和(自身を含む): 40261928

約数和(自身を除く): 18966004

約数列:

[1, 2, 4, 13, 26, 52, 541, 757, 1082, 1514, 2164, 3028, 7033, 9841, 14066, 19682, 28132, 39364, 409537, 819074, 1638148, 5323981, 10647962, 21295924]

約数ペア:

[(1, 21295924), (2, 10647962), (4, 5323981), (13, 1638148), (26, 819074), (52, 409537), (541, 39364), (757, 28132), (1082, 19682), (1514, 14066), (2164, 9841), (3028, 7033)]