210731556

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{443}}^1\times {\mathrm{809}}^1$

素因数の和:1273

約数の個数: 72

約数和(自身を含む): 573985440

約数和(自身を除く): 363253884

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 443, 588, 809, 886, 1329, 1618, 1772, 2427, 2658, 3101, 3236, 4854, 5316, 5663, 6202, 9303, 9708, 11326, 12404, 16989, 18606, 21707, 22652, 33978, 37212, 39641, 43414, 65121, 67956, 79282, 86828, 118923, 130242, 158564, 237846, 260484, 358387, 475692, 716774, 1075161, 1433548, 2150322, 2508709, 4300644, 5017418, 7526127, 10034836, 15052254, 17560963, 30104508, 35121926, 52682889, 70243852, 105365778, 210731556]

約数ペア:

[(1, 210731556), (2, 105365778), (3, 70243852), (4, 52682889), (6, 35121926), (7, 30104508), (12, 17560963), (14, 15052254), (21, 10034836), (28, 7526127), (42, 5017418), (49, 4300644), (84, 2508709), (98, 2150322), (147, 1433548), (196, 1075161), (294, 716774), (443, 475692), (588, 358387), (809, 260484), (886, 237846), (1329, 158564), (1618, 130242), (1772, 118923), (2427, 86828), (2658, 79282), (3101, 67956), (3236, 65121), (4854, 43414), (5316, 39641), (5663, 37212), (6202, 33978), (9303, 22652), (9708, 21707), (11326, 18606), (12404, 16989)]