21092190

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2137}}^1$

素因数の和:2201

約数の個数: 64

約数和(自身を含む): 59111424

約数和(自身を除く): 38019234

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 47, 70, 94, 105, 141, 210, 235, 282, 329, 470, 658, 705, 987, 1410, 1645, 1974, 2137, 3290, 4274, 4935, 6411, 9870, 10685, 12822, 14959, 21370, 29918, 32055, 44877, 64110, 74795, 89754, 100439, 149590, 200878, 224385, 301317, 448770, 502195, 602634, 703073, 1004390, 1406146, 1506585, 2109219, 3013170, 3515365, 4218438, 7030730, 10546095, 21092190]

約数ペア:

[(1, 21092190), (2, 10546095), (3, 7030730), (5, 4218438), (6, 3515365), (7, 3013170), (10, 2109219), (14, 1506585), (15, 1406146), (21, 1004390), (30, 703073), (35, 602634), (42, 502195), (47, 448770), (70, 301317), (94, 224385), (105, 200878), (141, 149590), (210, 100439), (235, 89754), (282, 74795), (329, 64110), (470, 44877), (658, 32055), (705, 29918), (987, 21370), (1410, 14959), (1645, 12822), (1974, 10685), (2137, 9870), (3290, 6411), (4274, 4935)]