21719782

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{877}}^1$

素因数の和:976

約数の個数: 32

約数和(自身を含む): 39193920

約数和(自身を除く): 17474138

約数列:

[1, 2, 7, 14, 29, 58, 61, 122, 203, 406, 427, 854, 877, 1754, 1769, 3538, 6139, 12278, 12383, 24766, 25433, 50866, 53497, 106994, 178031, 356062, 374479, 748958, 1551413, 3102826, 10859891, 21719782]

約数ペア:

[(1, 21719782), (2, 10859891), (7, 3102826), (14, 1551413), (29, 748958), (58, 374479), (61, 356062), (122, 178031), (203, 106994), (406, 53497), (427, 50866), (854, 25433), (877, 24766), (1754, 12383), (1769, 12278), (3538, 6139)]