21472668

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{28403}}^1$

素因数の和:28423

約数の個数: 48

約数和(自身を含む): 63624960

約数和(自身を除く): 42152292

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 28403, 56806, 85209, 113612, 170418, 198821, 255627, 340836, 397642, 511254, 596463, 766881, 795284, 1022508, 1192926, 1533762, 1789389, 2385852, 3067524, 3578778, 5368167, 7157556, 10736334, 21472668]

約数ペア:

[(1, 21472668), (2, 10736334), (3, 7157556), (4, 5368167), (6, 3578778), (7, 3067524), (9, 2385852), (12, 1789389), (14, 1533762), (18, 1192926), (21, 1022508), (27, 795284), (28, 766881), (36, 596463), (42, 511254), (54, 397642), (63, 340836), (84, 255627), (108, 198821), (126, 170418), (189, 113612), (252, 85209), (378, 56806), (756, 28403)]