21568211294

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{239333}}^1$

素因数の和:239540

約数の個数: 32

約数和(自身を含む): 38117290176

約数和(自身を除く): 16549078882

約数列:

[1, 2, 7, 14, 41, 82, 157, 287, 314, 574, 1099, 2198, 6437, 12874, 45059, 90118, 239333, 478666, 1675331, 3350662, 9812653, 19625306, 37575281, 68688571, 75150562, 137377142, 263026967, 526053934, 1540586521, 3081173042, 10784105647, 21568211294]

約数ペア:

[(1, 21568211294), (2, 10784105647), (7, 3081173042), (14, 1540586521), (41, 526053934), (82, 263026967), (157, 137377142), (287, 75150562), (314, 68688571), (574, 37575281), (1099, 19625306), (2198, 9812653), (6437, 3350662), (12874, 1675331), (45059, 478666), (90118, 239333)]