21965892

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1013}}^1$

素因数の和:1172

約数の個数: 48

約数和(自身を含む): 55648320

約数和(自身を除く): 33682428

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 139, 156, 278, 417, 556, 834, 1013, 1668, 1807, 2026, 3039, 3614, 4052, 5421, 6078, 7228, 10842, 12156, 13169, 21684, 26338, 39507, 52676, 79014, 140807, 158028, 281614, 422421, 563228, 844842, 1689684, 1830491, 3660982, 5491473, 7321964, 10982946, 21965892]

約数ペア:

[(1, 21965892), (2, 10982946), (3, 7321964), (4, 5491473), (6, 3660982), (12, 1830491), (13, 1689684), (26, 844842), (39, 563228), (52, 422421), (78, 281614), (139, 158028), (156, 140807), (278, 79014), (417, 52676), (556, 39507), (834, 26338), (1013, 21684), (1668, 13169), (1807, 12156), (2026, 10842), (3039, 7228), (3614, 6078), (4052, 5421)]