21000724488

素因数分解:

$2^3\times 3^2\times {\mathrm{26237}}^1\times {\mathrm{11117}}^1$

素因数の和:37366

約数の個数: 48

約数和(自身を含む): 56884246380

約数和(自身を除く): 35883521892

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 11117, 22234, 26237, 33351, 44468, 52474, 66702, 78711, 88936, 100053, 104948, 133404, 157422, 200106, 209896, 236133, 266808, 314844, 400212, 472266, 629688, 800424, 944532, 1889064, 291676729, 583353458, 875030187, 1166706916, 1750060374, 2333413832, 2625090561, 3500120748, 5250181122, 7000241496, 10500362244, 21000724488]

約数ペア:

[(1, 21000724488), (2, 10500362244), (3, 7000241496), (4, 5250181122), (6, 3500120748), (8, 2625090561), (9, 2333413832), (12, 1750060374), (18, 1166706916), (24, 875030187), (36, 583353458), (72, 291676729), (11117, 1889064), (22234, 944532), (26237, 800424), (33351, 629688), (44468, 472266), (52474, 400212), (66702, 314844), (78711, 266808), (88936, 236133), (100053, 209896), (104948, 200106), (133404, 157422)]