21023178

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{8609}}^1$

素因数の和:8662

約数の個数: 32

約数和(自身を含む): 47113920

約数和(自身を除く): 26090742

約数列:

[1, 2, 3, 6, 11, 22, 33, 37, 66, 74, 111, 222, 407, 814, 1221, 2442, 8609, 17218, 25827, 51654, 94699, 189398, 284097, 318533, 568194, 637066, 955599, 1911198, 3503863, 7007726, 10511589, 21023178]

約数ペア:

[(1, 21023178), (2, 10511589), (3, 7007726), (6, 3503863), (11, 1911198), (22, 955599), (33, 637066), (37, 568194), (66, 318533), (74, 284097), (111, 189398), (222, 94699), (407, 51654), (814, 25827), (1221, 17218), (2442, 8609)]