21851158

素因数分解:

$2^1\times 7^3\times {\mathrm{53}}^1\times {\mathrm{601}}^1$

素因数の和:677

約数の個数: 32

約数和(自身を含む): 39009600

約数和(自身を除く): 17158442

約数列:

[1, 2, 7, 14, 49, 53, 98, 106, 343, 371, 601, 686, 742, 1202, 2597, 4207, 5194, 8414, 18179, 29449, 31853, 36358, 58898, 63706, 206143, 222971, 412286, 445942, 1560797, 3121594, 10925579, 21851158]

約数ペア:

[(1, 21851158), (2, 10925579), (7, 3121594), (14, 1560797), (49, 445942), (53, 412286), (98, 222971), (106, 206143), (343, 63706), (371, 58898), (601, 36358), (686, 31853), (742, 29449), (1202, 18179), (2597, 8414), (4207, 5194)]