21418515846

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{421807}}^1$

素因数の和:421866

約数の個数: 96

約数和(自身を含む): 58958635008

約数和(自身を除く): 37540119162

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 31, 39, 42, 62, 63, 78, 91, 93, 117, 126, 182, 186, 217, 234, 273, 279, 403, 434, 546, 558, 651, 806, 819, 1209, 1302, 1638, 1953, 2418, 2821, 3627, 3906, 5642, 7254, 8463, 16926, 25389, 50778, 421807, 843614, 1265421, 2530842, 2952649, 3796263, 5483491, 5905298, 7592526, 8857947, 10966982, 13076017, 16450473, 17715894, 26152034, 26573841, 32900946, 38384437, 39228051, 49351419, 53147682, 76768874, 78456102, 91532119, 98702838, 115153311, 117684153, 169988221, 183064238, 230306622, 235368306, 274596357, 339976442, 345459933, 509964663, 549192714, 690919866, 823789071, 1019929326, 1189917547, 1529893989, 1647578142, 2379835094, 3059787978, 3569752641, 7139505282, 10709257923, 21418515846]

約数ペア:

[(1, 21418515846), (2, 10709257923), (3, 7139505282), (6, 3569752641), (7, 3059787978), (9, 2379835094), (13, 1647578142), (14, 1529893989), (18, 1189917547), (21, 1019929326), (26, 823789071), (31, 690919866), (39, 549192714), (42, 509964663), (62, 345459933), (63, 339976442), (78, 274596357), (91, 235368306), (93, 230306622), (117, 183064238), (126, 169988221), (182, 117684153), (186, 115153311), (217, 98702838), (234, 91532119), (273, 78456102), (279, 76768874), (403, 53147682), (434, 49351419), (546, 39228051), (558, 38384437), (651, 32900946), (806, 26573841), (819, 26152034), (1209, 17715894), (1302, 16450473), (1638, 13076017), (1953, 10966982), (2418, 8857947), (2821, 7592526), (3627, 5905298), (3906, 5483491), (5642, 3796263), (7254, 2952649), (8463, 2530842), (16926, 1265421), (25389, 843614), (50778, 421807)]