21992236

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{19157}}^1$

素因数の和:19209

約数の個数: 24

約数和(自身を含む): 45059616

約数和(自身を除く): 23067380

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 19157, 38314, 76628, 134099, 268198, 536396, 785437, 1570874, 3141748, 5498059, 10996118, 21992236]

約数ペア:

[(1, 21992236), (2, 10996118), (4, 5498059), (7, 3141748), (14, 1570874), (28, 785437), (41, 536396), (82, 268198), (164, 134099), (287, 76628), (574, 38314), (1148, 19157)]