21353870

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{2129}}^1$

素因数の和:2212

約数の個数: 32

約数和(自身を含む): 41407200

約数和(自身を除く): 20053330

約数列:

[1, 2, 5, 10, 17, 34, 59, 85, 118, 170, 295, 590, 1003, 2006, 2129, 4258, 5015, 10030, 10645, 21290, 36193, 72386, 125611, 180965, 251222, 361930, 628055, 1256110, 2135387, 4270774, 10676935, 21353870]

約数ペア:

[(1, 21353870), (2, 10676935), (5, 4270774), (10, 2135387), (17, 1256110), (34, 628055), (59, 361930), (85, 251222), (118, 180965), (170, 125611), (295, 72386), (590, 36193), (1003, 21290), (2006, 10645), (2129, 10030), (4258, 5015)]