21080590970

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{4723}}^1\times {\mathrm{15391}}^1$

素因数の和:20150

約数の個数: 32

約数和(自身を含む): 39264376320

約数和(自身を除く): 18183785350

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 4723, 9446, 15391, 23615, 30782, 47230, 76955, 136967, 153910, 273934, 446339, 684835, 892678, 1369670, 2231695, 4463390, 72691693, 145383386, 363458465, 726916930, 2108059097, 4216118194, 10540295485, 21080590970]

約数ペア:

[(1, 21080590970), (2, 10540295485), (5, 4216118194), (10, 2108059097), (29, 726916930), (58, 363458465), (145, 145383386), (290, 72691693), (4723, 4463390), (9446, 2231695), (15391, 1369670), (23615, 892678), (30782, 684835), (47230, 446339), (76955, 273934), (136967, 153910)]