21486510

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1319}}^1$

素因数の和:1513

約数の個数: 48

約数和(自身を含む): 56216160

約数和(自身を除く): 34729650

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 181, 362, 543, 905, 1086, 1319, 1629, 1810, 2638, 2715, 3258, 3957, 5430, 6595, 7914, 8145, 11871, 13190, 16290, 19785, 23742, 39570, 59355, 118710, 238739, 477478, 716217, 1193695, 1432434, 2148651, 2387390, 3581085, 4297302, 7162170, 10743255, 21486510]

約数ペア:

[(1, 21486510), (2, 10743255), (3, 7162170), (5, 4297302), (6, 3581085), (9, 2387390), (10, 2148651), (15, 1432434), (18, 1193695), (30, 716217), (45, 477478), (90, 238739), (181, 118710), (362, 59355), (543, 39570), (905, 23742), (1086, 19785), (1319, 16290), (1629, 13190), (1810, 11871), (2638, 8145), (2715, 7914), (3258, 6595), (3957, 5430)]