21479353812

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2303663}}^1$

素因数の和:2303717

約数の個数: 72

約数和(自身を含む): 63728560896

約数和(自身を除く): 42249207084

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 37, 42, 63, 74, 84, 111, 126, 148, 222, 252, 259, 333, 444, 518, 666, 777, 1036, 1332, 1554, 2331, 3108, 4662, 9324, 2303663, 4607326, 6910989, 9214652, 13821978, 16125641, 20732967, 27643956, 32251282, 41465934, 48376923, 64502564, 82931868, 85235531, 96753846, 145130769, 170471062, 193507692, 255706593, 290261538, 340942124, 511413186, 580523076, 596648717, 767119779, 1022826372, 1193297434, 1534239558, 1789946151, 2386594868, 3068479116, 3579892302, 5369838453, 7159784604, 10739676906, 21479353812]

約数ペア:

[(1, 21479353812), (2, 10739676906), (3, 7159784604), (4, 5369838453), (6, 3579892302), (7, 3068479116), (9, 2386594868), (12, 1789946151), (14, 1534239558), (18, 1193297434), (21, 1022826372), (28, 767119779), (36, 596648717), (37, 580523076), (42, 511413186), (63, 340942124), (74, 290261538), (84, 255706593), (111, 193507692), (126, 170471062), (148, 145130769), (222, 96753846), (252, 85235531), (259, 82931868), (333, 64502564), (444, 48376923), (518, 41465934), (666, 32251282), (777, 27643956), (1036, 20732967), (1332, 16125641), (1554, 13821978), (2331, 9214652), (3108, 6910989), (4662, 4607326), (9324, 2303663)]