21481044

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{137699}}^1$

素因数の和:137719

約数の個数: 24

約数和(自身を含む): 53978400

約数和(自身を除く): 32497356

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 137699, 275398, 413097, 550796, 826194, 1652388, 1790087, 3580174, 5370261, 7160348, 10740522, 21481044]

約数ペア:

[(1, 21481044), (2, 10740522), (3, 7160348), (4, 5370261), (6, 3580174), (12, 1790087), (13, 1652388), (26, 826194), (39, 550796), (52, 413097), (78, 275398), (156, 137699)]