21440484

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{15271}}^1$

素因数の和:15297

約数の個数: 48

約数和(自身を含む): 59866240

約数和(自身を除く): 38425756

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 234, 351, 468, 702, 1404, 15271, 30542, 45813, 61084, 91626, 137439, 183252, 198523, 274878, 397046, 412317, 549756, 595569, 794092, 824634, 1191138, 1649268, 1786707, 2382276, 3573414, 5360121, 7146828, 10720242, 21440484]

約数ペア:

[(1, 21440484), (2, 10720242), (3, 7146828), (4, 5360121), (6, 3573414), (9, 2382276), (12, 1786707), (13, 1649268), (18, 1191138), (26, 824634), (27, 794092), (36, 595569), (39, 549756), (52, 412317), (54, 397046), (78, 274878), (108, 198523), (117, 183252), (156, 137439), (234, 91626), (351, 61084), (468, 45813), (702, 30542), (1404, 15271)]