21000944764

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1987}}^1\times {\mathrm{3307}}^1$

素因数の和:5362

約数の個数: 48

約数和(自身を含む): 39773486592

約数和(自身を除く): 18772541828

約数列:

[1, 2, 4, 17, 34, 47, 68, 94, 188, 799, 1598, 1987, 3196, 3307, 3974, 6614, 7948, 13228, 33779, 56219, 67558, 93389, 112438, 135116, 155429, 186778, 224876, 310858, 373556, 621716, 1587613, 2642293, 3175226, 5284586, 6350452, 6571009, 10569172, 13142018, 26284036, 111707153, 223414306, 308837423, 446828612, 617674846, 1235349692, 5250236191, 10500472382, 21000944764]

約数ペア:

[(1, 21000944764), (2, 10500472382), (4, 5250236191), (17, 1235349692), (34, 617674846), (47, 446828612), (68, 308837423), (94, 223414306), (188, 111707153), (799, 26284036), (1598, 13142018), (1987, 10569172), (3196, 6571009), (3307, 6350452), (3974, 5284586), (6614, 3175226), (7948, 2642293), (13228, 1587613), (33779, 621716), (56219, 373556), (67558, 310858), (93389, 224876), (112438, 186778), (135116, 155429)]