21244496

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{14591}}^1$

素因数の和:14619

約数の個数: 40

約数和(自身を含む): 50663424

約数和(自身を除く): 29418928

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 14591, 29182, 58364, 102137, 116728, 189683, 204274, 233456, 379366, 408548, 758732, 817096, 1327781, 1517464, 1634192, 2655562, 3034928, 5311124, 10622248, 21244496]

約数ペア:

[(1, 21244496), (2, 10622248), (4, 5311124), (7, 3034928), (8, 2655562), (13, 1634192), (14, 1517464), (16, 1327781), (26, 817096), (28, 758732), (52, 408548), (56, 379366), (91, 233456), (104, 204274), (112, 189683), (182, 116728), (208, 102137), (364, 58364), (728, 29182), (1456, 14591)]