21633590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{941}}^1$

素因数の和:989

約数の個数: 48

約数和(自身を含む): 45102960

約数和(自身を除く): 23469370

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 121, 190, 209, 242, 418, 605, 941, 1045, 1210, 1882, 2090, 2299, 4598, 4705, 9410, 10351, 11495, 17879, 20702, 22990, 35758, 51755, 89395, 103510, 113861, 178790, 196669, 227722, 393338, 569305, 983345, 1138610, 1966690, 2163359, 4326718, 10816795, 21633590]

約数ペア:

[(1, 21633590), (2, 10816795), (5, 4326718), (10, 2163359), (11, 1966690), (19, 1138610), (22, 983345), (38, 569305), (55, 393338), (95, 227722), (110, 196669), (121, 178790), (190, 113861), (209, 103510), (242, 89395), (418, 51755), (605, 35758), (941, 22990), (1045, 20702), (1210, 17879), (1882, 11495), (2090, 10351), (2299, 9410), (4598, 4705)]