21209556

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{1033}}^1$

素因数の和:1128

約数の個数: 48

約数和(自身を含む): 52113600

約数和(自身を除く): 30904044

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 59, 87, 116, 118, 174, 177, 236, 348, 354, 708, 1033, 1711, 2066, 3099, 3422, 4132, 5133, 6198, 6844, 10266, 12396, 20532, 29957, 59914, 60947, 89871, 119828, 121894, 179742, 182841, 243788, 359484, 365682, 731364, 1767463, 3534926, 5302389, 7069852, 10604778, 21209556]

約数ペア:

[(1, 21209556), (2, 10604778), (3, 7069852), (4, 5302389), (6, 3534926), (12, 1767463), (29, 731364), (58, 365682), (59, 359484), (87, 243788), (116, 182841), (118, 179742), (174, 121894), (177, 119828), (236, 89871), (348, 60947), (354, 59914), (708, 29957), (1033, 20532), (1711, 12396), (2066, 10266), (3099, 6844), (3422, 6198), (4132, 5133)]