21326170

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{1049}}^1$

素因数の和:1182

約数の個数: 32

約数和(自身を含む): 40824000

約数和(自身を除く): 19497830

約数列:

[1, 2, 5, 10, 19, 38, 95, 107, 190, 214, 535, 1049, 1070, 2033, 2098, 4066, 5245, 10165, 10490, 19931, 20330, 39862, 99655, 112243, 199310, 224486, 561215, 1122430, 2132617, 4265234, 10663085, 21326170]

約数ペア:

[(1, 21326170), (2, 10663085), (5, 4265234), (10, 2132617), (19, 1122430), (38, 561215), (95, 224486), (107, 199310), (190, 112243), (214, 99655), (535, 39862), (1049, 20330), (1070, 19931), (2033, 10490), (2098, 10165), (4066, 5245)]