21961968

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{401}}^1$

素因数の和:582

約数の個数: 80

約数和(自身を含む): 65400576

約数和(自身を除く): 43438608

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 163, 168, 326, 336, 401, 489, 652, 802, 978, 1141, 1203, 1304, 1604, 1956, 2282, 2406, 2608, 2807, 3208, 3423, 3912, 4564, 4812, 5614, 6416, 6846, 7824, 8421, 9128, 9624, 11228, 13692, 16842, 18256, 19248, 22456, 27384, 33684, 44912, 54768, 65363, 67368, 130726, 134736, 196089, 261452, 392178, 457541, 522904, 784356, 915082, 1045808, 1372623, 1568712, 1830164, 2745246, 3137424, 3660328, 5490492, 7320656, 10980984, 21961968]

約数ペア:

[(1, 21961968), (2, 10980984), (3, 7320656), (4, 5490492), (6, 3660328), (7, 3137424), (8, 2745246), (12, 1830164), (14, 1568712), (16, 1372623), (21, 1045808), (24, 915082), (28, 784356), (42, 522904), (48, 457541), (56, 392178), (84, 261452), (112, 196089), (163, 134736), (168, 130726), (326, 67368), (336, 65363), (401, 54768), (489, 44912), (652, 33684), (802, 27384), (978, 22456), (1141, 19248), (1203, 18256), (1304, 16842), (1604, 13692), (1956, 11228), (2282, 9624), (2406, 9128), (2608, 8421), (2807, 7824), (3208, 6846), (3423, 6416), (3912, 5614), (4564, 4812)]