21878760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{6287}}^1$

素因数の和:6330

約数の個数: 64

約数和(自身を含む): 67910400

約数和(自身を除く): 46031640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 145, 174, 232, 290, 348, 435, 580, 696, 870, 1160, 1740, 3480, 6287, 12574, 18861, 25148, 31435, 37722, 50296, 62870, 75444, 94305, 125740, 150888, 182323, 188610, 251480, 364646, 377220, 546969, 729292, 754440, 911615, 1093938, 1458584, 1823230, 2187876, 2734845, 3646460, 4375752, 5469690, 7292920, 10939380, 21878760]

約数ペア:

[(1, 21878760), (2, 10939380), (3, 7292920), (4, 5469690), (5, 4375752), (6, 3646460), (8, 2734845), (10, 2187876), (12, 1823230), (15, 1458584), (20, 1093938), (24, 911615), (29, 754440), (30, 729292), (40, 546969), (58, 377220), (60, 364646), (87, 251480), (116, 188610), (120, 182323), (145, 150888), (174, 125740), (232, 94305), (290, 75444), (348, 62870), (435, 50296), (580, 37722), (696, 31435), (870, 25148), (1160, 18861), (1740, 12574), (3480, 6287)]