21103026

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{179}}^1\times {\mathrm{401}}^1$

素因数の和:599

約数の個数: 48

約数和(自身を含む): 49494240

約数和(自身を除く): 28391214

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 179, 294, 358, 401, 537, 802, 1074, 1203, 1253, 2406, 2506, 2807, 3759, 5614, 7518, 8421, 8771, 16842, 17542, 19649, 26313, 39298, 52626, 58947, 71779, 117894, 143558, 215337, 430674, 502453, 1004906, 1507359, 3014718, 3517171, 7034342, 10551513, 21103026]

約数ペア:

[(1, 21103026), (2, 10551513), (3, 7034342), (6, 3517171), (7, 3014718), (14, 1507359), (21, 1004906), (42, 502453), (49, 430674), (98, 215337), (147, 143558), (179, 117894), (294, 71779), (358, 58947), (401, 52626), (537, 39298), (802, 26313), (1074, 19649), (1203, 17542), (1253, 16842), (2406, 8771), (2506, 8421), (2807, 7518), (3759, 5614)]