21959384

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{773}}^1$

素因数の和:899

約数の個数: 32

約数和(自身を含む): 42631920

約数和(自身を除く): 20672536

約数列:

[1, 2, 4, 8, 53, 67, 106, 134, 212, 268, 424, 536, 773, 1546, 3092, 3551, 6184, 7102, 14204, 28408, 40969, 51791, 81938, 103582, 163876, 207164, 327752, 414328, 2744923, 5489846, 10979692, 21959384]

約数ペア:

[(1, 21959384), (2, 10979692), (4, 5489846), (8, 2744923), (53, 414328), (67, 327752), (106, 207164), (134, 163876), (212, 103582), (268, 81938), (424, 51791), (536, 40969), (773, 28408), (1546, 14204), (3092, 7102), (3551, 6184)]