21691428

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{14939}}^1$

素因数の和:14968

約数の個数: 36

約数和(自身を含む): 55636560

約数和(自身を除く): 33945132

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 121, 132, 242, 363, 484, 726, 1452, 14939, 29878, 44817, 59756, 89634, 164329, 179268, 328658, 492987, 657316, 985974, 1807619, 1971948, 3615238, 5422857, 7230476, 10845714, 21691428]

約数ペア:

[(1, 21691428), (2, 10845714), (3, 7230476), (4, 5422857), (6, 3615238), (11, 1971948), (12, 1807619), (22, 985974), (33, 657316), (44, 492987), (66, 328658), (121, 179268), (132, 164329), (242, 89634), (363, 59756), (484, 44817), (726, 29878), (1452, 14939)]