2021069956

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{439}}^1\times {\mathrm{857}}^1$

素因数の和:1396

約数の個数: 48

約数和(自身を含む): 3805401600

約数和(自身を除く): 1784331644

約数列:

[1, 2, 4, 17, 34, 68, 79, 158, 316, 439, 857, 878, 1343, 1714, 1756, 2686, 3428, 5372, 7463, 14569, 14926, 29138, 29852, 34681, 58276, 67703, 69362, 135406, 138724, 270812, 376223, 589577, 752446, 1150951, 1179154, 1504892, 2301902, 2358308, 4603804, 6395791, 12791582, 25583164, 29721617, 59443234, 118886468, 505267489, 1010534978, 2021069956]

約数ペア:

[(1, 2021069956), (2, 1010534978), (4, 505267489), (17, 118886468), (34, 59443234), (68, 29721617), (79, 25583164), (158, 12791582), (316, 6395791), (439, 4603804), (857, 2358308), (878, 2301902), (1343, 1504892), (1714, 1179154), (1756, 1150951), (2686, 752446), (3428, 589577), (5372, 376223), (7463, 270812), (14569, 138724), (14926, 135406), (29138, 69362), (29852, 67703), (34681, 58276)]