21566628

素因数分解:

$2^2\times 3^3\times {\mathrm{397}}^1\times {\mathrm{503}}^1$

素因数の和:913

約数の個数: 48

約数和(自身を含む): 56165760

約数和(自身を除く): 34599132

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 397, 503, 794, 1006, 1191, 1509, 1588, 2012, 2382, 3018, 3573, 4527, 4764, 6036, 7146, 9054, 10719, 13581, 14292, 18108, 21438, 27162, 42876, 54324, 199691, 399382, 599073, 798764, 1198146, 1797219, 2396292, 3594438, 5391657, 7188876, 10783314, 21566628]

約数ペア:

[(1, 21566628), (2, 10783314), (3, 7188876), (4, 5391657), (6, 3594438), (9, 2396292), (12, 1797219), (18, 1198146), (27, 798764), (36, 599073), (54, 399382), (108, 199691), (397, 54324), (503, 42876), (794, 27162), (1006, 21438), (1191, 18108), (1509, 14292), (1588, 13581), (2012, 10719), (2382, 9054), (3018, 7146), (3573, 6036), (4527, 4764)]