213021816

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{181141}}^1$

素因数の和:181164

約数の個数: 48

約数和(自身を含む): 619505640

約数和(自身を除く): 406483824

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 294, 392, 588, 1176, 181141, 362282, 543423, 724564, 1086846, 1267987, 1449128, 2173692, 2535974, 3803961, 4347384, 5071948, 7607922, 8875909, 10143896, 15215844, 17751818, 26627727, 30431688, 35503636, 53255454, 71007272, 106510908, 213021816]

約数ペア:

[(1, 213021816), (2, 106510908), (3, 71007272), (4, 53255454), (6, 35503636), (7, 30431688), (8, 26627727), (12, 17751818), (14, 15215844), (21, 10143896), (24, 8875909), (28, 7607922), (42, 5071948), (49, 4347384), (56, 3803961), (84, 2535974), (98, 2173692), (147, 1449128), (168, 1267987), (196, 1086846), (294, 724564), (392, 543423), (588, 362282), (1176, 181141)]