21321924

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4409}}^1$

素因数の和:4460

約数の個数: 48

約数和(自身を含む): 55319040

約数和(自身を除く): 33997116

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 186, 372, 403, 806, 1209, 1612, 2418, 4409, 4836, 8818, 13227, 17636, 26454, 52908, 57317, 114634, 136679, 171951, 229268, 273358, 343902, 410037, 546716, 687804, 820074, 1640148, 1776827, 3553654, 5330481, 7107308, 10660962, 21321924]

約数ペア:

[(1, 21321924), (2, 10660962), (3, 7107308), (4, 5330481), (6, 3553654), (12, 1776827), (13, 1640148), (26, 820074), (31, 687804), (39, 546716), (52, 410037), (62, 343902), (78, 273358), (93, 229268), (124, 171951), (156, 136679), (186, 114634), (372, 57317), (403, 52908), (806, 26454), (1209, 17636), (1612, 13227), (2418, 8818), (4409, 4836)]