21158046

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12917}}^1$

素因数の和:12945

約数の個数: 48

約数和(自身を含む): 56425824

約数和(自身を除く): 35267778

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 12917, 25834, 38751, 77502, 90419, 116253, 167921, 180838, 232506, 271257, 335842, 503763, 542514, 813771, 1007526, 1175447, 1511289, 1627542, 2350894, 3022578, 3526341, 7052682, 10579023, 21158046]

約数ペア:

[(1, 21158046), (2, 10579023), (3, 7052682), (6, 3526341), (7, 3022578), (9, 2350894), (13, 1627542), (14, 1511289), (18, 1175447), (21, 1007526), (26, 813771), (39, 542514), (42, 503763), (63, 335842), (78, 271257), (91, 232506), (117, 180838), (126, 167921), (182, 116253), (234, 90419), (273, 77502), (546, 38751), (819, 25834), (1638, 12917)]