21186858

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{379}}^1$

素因数の和:424

約数の個数: 64

約数和(自身を含む): 53406720

約数和(自身を除く): 32219862

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 121, 154, 231, 242, 363, 379, 462, 726, 758, 847, 1137, 1331, 1694, 2274, 2541, 2653, 2662, 3993, 4169, 5082, 5306, 7959, 7986, 8338, 9317, 12507, 15918, 18634, 25014, 27951, 29183, 45859, 55902, 58366, 87549, 91718, 137577, 175098, 275154, 321013, 504449, 642026, 963039, 1008898, 1513347, 1926078, 3026694, 3531143, 7062286, 10593429, 21186858]

約数ペア:

[(1, 21186858), (2, 10593429), (3, 7062286), (6, 3531143), (7, 3026694), (11, 1926078), (14, 1513347), (21, 1008898), (22, 963039), (33, 642026), (42, 504449), (66, 321013), (77, 275154), (121, 175098), (154, 137577), (231, 91718), (242, 87549), (363, 58366), (379, 55902), (462, 45859), (726, 29183), (758, 27951), (847, 25014), (1137, 18634), (1331, 15918), (1694, 12507), (2274, 9317), (2541, 8338), (2653, 7986), (2662, 7959), (3993, 5306), (4169, 5082)]