21280170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{3919}}^1$

素因数の和:4110

約数の個数: 32

約数和(自身を含む): 51367680

約数和(自身を除く): 30087510

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 181, 362, 543, 905, 1086, 1810, 2715, 3919, 5430, 7838, 11757, 19595, 23514, 39190, 58785, 117570, 709339, 1418678, 2128017, 3546695, 4256034, 7093390, 10640085, 21280170]

約数ペア:

[(1, 21280170), (2, 10640085), (3, 7093390), (5, 4256034), (6, 3546695), (10, 2128017), (15, 1418678), (30, 709339), (181, 117570), (362, 58785), (543, 39190), (905, 23514), (1086, 19595), (1810, 11757), (2715, 7838), (3919, 5430)]