21467852

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{12569}}^1$

素因数の和:12641

約数の個数: 24

約数和(自身を含む): 43643040

約数和(自身を除く): 22175188

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 12569, 25138, 50276, 87983, 175966, 351932, 766709, 1533418, 3066836, 5366963, 10733926, 21467852]

約数ペア:

[(1, 21467852), (2, 10733926), (4, 5366963), (7, 3066836), (14, 1533418), (28, 766709), (61, 351932), (122, 175966), (244, 87983), (427, 50276), (854, 25138), (1708, 12569)]