20211520912

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{476507}}^1$

素因数の和:476767

約数の個数: 40

約数和(自身を含む): 42897156192

約数和(自身を除く): 22685635280

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 241, 482, 964, 1928, 2651, 3856, 5302, 10604, 21208, 42416, 476507, 953014, 1906028, 3812056, 5241577, 7624112, 10483154, 20966308, 41932616, 83865232, 114838187, 229676374, 459352748, 918705496, 1263220057, 1837410992, 2526440114, 5052880228, 10105760456, 20211520912]

約数ペア:

[(1, 20211520912), (2, 10105760456), (4, 5052880228), (8, 2526440114), (11, 1837410992), (16, 1263220057), (22, 918705496), (44, 459352748), (88, 229676374), (176, 114838187), (241, 83865232), (482, 41932616), (964, 20966308), (1928, 10483154), (2651, 7624112), (3856, 5241577), (5302, 3812056), (10604, 1906028), (21208, 953014), (42416, 476507)]