21940870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{10111}}^1$

素因数の和:10156

約数の個数: 32

約数和(自身を含む): 46596096

約数和(自身を除く): 24655226

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 10111, 20222, 50555, 70777, 101110, 141554, 313441, 353885, 626882, 707770, 1567205, 2194087, 3134410, 4388174, 10970435, 21940870]

約数ペア:

[(1, 21940870), (2, 10970435), (5, 4388174), (7, 3134410), (10, 2194087), (14, 1567205), (31, 707770), (35, 626882), (62, 353885), (70, 313441), (155, 141554), (217, 101110), (310, 70777), (434, 50555), (1085, 20222), (2170, 10111)]