21248810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{1033}}^1$

素因数の和:1079

約数の個数: 48

約数和(自身を含む): 44557128

約数和(自身を除く): 23308318

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 121, 170, 187, 242, 374, 605, 935, 1033, 1210, 1870, 2057, 2066, 4114, 5165, 10285, 10330, 11363, 17561, 20570, 22726, 35122, 56815, 87805, 113630, 124993, 175610, 193171, 249986, 386342, 624965, 965855, 1249930, 1931710, 2124881, 4249762, 10624405, 21248810]

約数ペア:

[(1, 21248810), (2, 10624405), (5, 4249762), (10, 2124881), (11, 1931710), (17, 1249930), (22, 965855), (34, 624965), (55, 386342), (85, 249986), (110, 193171), (121, 175610), (170, 124993), (187, 113630), (242, 87805), (374, 56815), (605, 35122), (935, 22726), (1033, 20570), (1210, 17561), (1870, 11363), (2057, 10330), (2066, 10285), (4114, 5165)]