21538202

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{239}}^1$

素因数の和:446

約数の個数: 32

約数和(自身を含む): 38223360

約数和(自身を除く): 16685158

約数列:

[1, 2, 7, 14, 41, 82, 157, 239, 287, 314, 478, 574, 1099, 1673, 2198, 3346, 6437, 9799, 12874, 19598, 37523, 45059, 68593, 75046, 90118, 137186, 262661, 525322, 1538443, 3076886, 10769101, 21538202]

約数ペア:

[(1, 21538202), (2, 10769101), (7, 3076886), (14, 1538443), (41, 525322), (82, 262661), (157, 137186), (239, 90118), (287, 75046), (314, 68593), (478, 45059), (574, 37523), (1099, 19598), (1673, 12874), (2198, 9799), (3346, 6437)]