21546087164

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{839}}^1\times {\mathrm{53951}}^1$

素因数の和:54818

約数の個数: 48

約数和(自身を含む): 45682237440

約数和(自身を除く): 24136150276

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 839, 1678, 3356, 5873, 11746, 14263, 23492, 28526, 53951, 57052, 99841, 107902, 199682, 215804, 377657, 399364, 755314, 917167, 1510628, 1834334, 3668668, 6420169, 12840338, 25680676, 45264889, 90529778, 181059556, 316854223, 633708446, 769503113, 1267416892, 1539006226, 3078012452, 5386521791, 10773043582, 21546087164]

約数ペア:

[(1, 21546087164), (2, 10773043582), (4, 5386521791), (7, 3078012452), (14, 1539006226), (17, 1267416892), (28, 769503113), (34, 633708446), (68, 316854223), (119, 181059556), (238, 90529778), (476, 45264889), (839, 25680676), (1678, 12840338), (3356, 6420169), (5873, 3668668), (11746, 1834334), (14263, 1510628), (23492, 917167), (28526, 755314), (53951, 399364), (57052, 377657), (99841, 215804), (107902, 199682)]