21381569496

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{100769}}^1$

素因数の和:101209

約数の個数: 96

約数和(自身を含む): 66338906400

約数和(自身を除く): 44957336904

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 421, 504, 842, 1263, 1684, 2526, 2947, 3368, 3789, 5052, 5894, 7578, 8841, 10104, 11788, 15156, 17682, 23576, 26523, 30312, 35364, 53046, 70728, 100769, 106092, 201538, 212184, 302307, 403076, 604614, 705383, 806152, 906921, 1209228, 1410766, 1813842, 2116149, 2418456, 2821532, 3627684, 4232298, 5643064, 6348447, 7255368, 8464596, 12696894, 16929192, 25393788, 42423749, 50787576, 84847498, 127271247, 169694996, 254542494, 296966243, 339389992, 381813741, 509084988, 593932486, 763627482, 890898729, 1018169976, 1187864972, 1527254964, 1781797458, 2375729944, 2672696187, 3054509928, 3563594916, 5345392374, 7127189832, 10690784748, 21381569496]

約数ペア:

[(1, 21381569496), (2, 10690784748), (3, 7127189832), (4, 5345392374), (6, 3563594916), (7, 3054509928), (8, 2672696187), (9, 2375729944), (12, 1781797458), (14, 1527254964), (18, 1187864972), (21, 1018169976), (24, 890898729), (28, 763627482), (36, 593932486), (42, 509084988), (56, 381813741), (63, 339389992), (72, 296966243), (84, 254542494), (126, 169694996), (168, 127271247), (252, 84847498), (421, 50787576), (504, 42423749), (842, 25393788), (1263, 16929192), (1684, 12696894), (2526, 8464596), (2947, 7255368), (3368, 6348447), (3789, 5643064), (5052, 4232298), (5894, 3627684), (7578, 2821532), (8841, 2418456), (10104, 2116149), (11788, 1813842), (15156, 1410766), (17682, 1209228), (23576, 906921), (26523, 806152), (30312, 705383), (35364, 604614), (53046, 403076), (70728, 302307), (100769, 212184), (106092, 201538)]