21106920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{175891}}^1$

素因数の和:175905

約数の個数: 32

約数和(自身を含む): 63321120

約数和(自身を除く): 42214200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 175891, 351782, 527673, 703564, 879455, 1055346, 1407128, 1758910, 2110692, 2638365, 3517820, 4221384, 5276730, 7035640, 10553460, 21106920]

約数ペア:

[(1, 21106920), (2, 10553460), (3, 7035640), (4, 5276730), (5, 4221384), (6, 3517820), (8, 2638365), (10, 2110692), (12, 1758910), (15, 1407128), (20, 1055346), (24, 879455), (30, 703564), (40, 527673), (60, 351782), (120, 175891)]