21323908

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{383}}^1\times {\mathrm{449}}^1$

素因数の和:867

約数の個数: 24

約数和(自身を含む): 38707200

約数和(自身を除く): 17383292

約数列:

[1, 2, 4, 31, 62, 124, 383, 449, 766, 898, 1532, 1796, 11873, 13919, 23746, 27838, 47492, 55676, 171967, 343934, 687868, 5330977, 10661954, 21323908]

約数ペア:

[(1, 21323908), (2, 10661954), (4, 5330977), (31, 687868), (62, 343934), (124, 171967), (383, 55676), (449, 47492), (766, 27838), (898, 23746), (1532, 13919), (1796, 11873)]