21319756

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{239}}^1\times {\mathrm{769}}^1$

素因数の和:1041

約数の個数: 24

約数和(自身を含む): 38808000

約数和(自身を除く): 17488244

約数列:

[1, 2, 4, 29, 58, 116, 239, 478, 769, 956, 1538, 3076, 6931, 13862, 22301, 27724, 44602, 89204, 183791, 367582, 735164, 5329939, 10659878, 21319756]

約数ペア:

[(1, 21319756), (2, 10659878), (4, 5329939), (29, 735164), (58, 367582), (116, 183791), (239, 89204), (478, 44602), (769, 27724), (956, 22301), (1538, 13862), (3076, 6931)]