21656553394

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{571}}^1\times {\mathrm{117787}}^1$

素因数の和:118390

約数の個数: 32

約数和(自身を含む): 38807847936

約数和(自身を除く): 17151294542

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 571, 1142, 3997, 7994, 13133, 26266, 91931, 117787, 183862, 235574, 824509, 1649018, 2709101, 5418202, 18963707, 37927414, 67256377, 134512754, 470794639, 941589278, 1546896671, 3093793342, 10828276697, 21656553394]

約数ペア:

[(1, 21656553394), (2, 10828276697), (7, 3093793342), (14, 1546896671), (23, 941589278), (46, 470794639), (161, 134512754), (322, 67256377), (571, 37927414), (1142, 18963707), (3997, 5418202), (7994, 2709101), (13133, 1649018), (26266, 824509), (91931, 235574), (117787, 183862)]