21549708

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{13921}}^1$

素因数の和:13974

約数の個数: 36

約数和(自身を含む): 55743688

約数和(自身を除く): 34193980

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 13921, 27842, 41763, 55684, 83526, 125289, 167052, 250578, 501156, 598603, 1197206, 1795809, 2394412, 3591618, 5387427, 7183236, 10774854, 21549708]

約数ペア:

[(1, 21549708), (2, 10774854), (3, 7183236), (4, 5387427), (6, 3591618), (9, 2394412), (12, 1795809), (18, 1197206), (36, 598603), (43, 501156), (86, 250578), (129, 167052), (172, 125289), (258, 83526), (387, 55684), (516, 41763), (774, 27842), (1548, 13921)]