21904620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{2017}}^1$

素因数の和:2210

約数の個数: 48

約数和(自身を含む): 61702368

約数和(自身を除く): 39797748

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 181, 362, 543, 724, 905, 1086, 1810, 2017, 2172, 2715, 3620, 4034, 5430, 6051, 8068, 10085, 10860, 12102, 20170, 24204, 30255, 40340, 60510, 121020, 365077, 730154, 1095231, 1460308, 1825385, 2190462, 3650770, 4380924, 5476155, 7301540, 10952310, 21904620]

約数ペア:

[(1, 21904620), (2, 10952310), (3, 7301540), (4, 5476155), (5, 4380924), (6, 3650770), (10, 2190462), (12, 1825385), (15, 1460308), (20, 1095231), (30, 730154), (60, 365077), (181, 121020), (362, 60510), (543, 40340), (724, 30255), (905, 24204), (1086, 20170), (1810, 12102), (2017, 10860), (2172, 10085), (2715, 8068), (3620, 6051), (4034, 5430)]