21736408

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{379}}^1$

素因数の和:559

約数の個数: 32

約数和(自身を含む): 41860800

約数和(自身を除く): 20124392

約数列:

[1, 2, 4, 8, 67, 107, 134, 214, 268, 379, 428, 536, 758, 856, 1516, 3032, 7169, 14338, 25393, 28676, 40553, 50786, 57352, 81106, 101572, 162212, 203144, 324424, 2717051, 5434102, 10868204, 21736408]

約数ペア:

[(1, 21736408), (2, 10868204), (4, 5434102), (8, 2717051), (67, 324424), (107, 203144), (134, 162212), (214, 101572), (268, 81106), (379, 57352), (428, 50786), (536, 40553), (758, 28676), (856, 25393), (1516, 14338), (3032, 7169)]