21286275408

素因数分解:

$2^4\times 3^2\times {\mathrm{139}}^1\times {\mathrm{1063463}}^1$

素因数の和:1063616

約数の個数: 60

約数和(自身を含む): 60000638880

約数和(自身を除く): 38714363472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 139, 144, 278, 417, 556, 834, 1112, 1251, 1668, 2224, 2502, 3336, 5004, 6672, 10008, 20016, 1063463, 2126926, 3190389, 4253852, 6380778, 8507704, 9571167, 12761556, 17015408, 19142334, 25523112, 38284668, 51046224, 76569336, 147821357, 153138672, 295642714, 443464071, 591285428, 886928142, 1182570856, 1330392213, 1773856284, 2365141712, 2660784426, 3547712568, 5321568852, 7095425136, 10643137704, 21286275408]

約数ペア:

[(1, 21286275408), (2, 10643137704), (3, 7095425136), (4, 5321568852), (6, 3547712568), (8, 2660784426), (9, 2365141712), (12, 1773856284), (16, 1330392213), (18, 1182570856), (24, 886928142), (36, 591285428), (48, 443464071), (72, 295642714), (139, 153138672), (144, 147821357), (278, 76569336), (417, 51046224), (556, 38284668), (834, 25523112), (1112, 19142334), (1251, 17015408), (1668, 12761556), (2224, 9571167), (2502, 8507704), (3336, 6380778), (5004, 4253852), (6672, 3190389), (10008, 2126926), (20016, 1063463)]