21000270990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{3559}}^1\times {\mathrm{196687}}^1$

素因数の和:200256

約数の個数: 32

約数和(自身を含む): 50415068160

約数和(自身を除く): 29414797170

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 3559, 7118, 10677, 17795, 21354, 35590, 53385, 106770, 196687, 393374, 590061, 983435, 1180122, 1966870, 2950305, 5900610, 700009033, 1400018066, 2100027099, 3500045165, 4200054198, 7000090330, 10500135495, 21000270990]

約数ペア:

[(1, 21000270990), (2, 10500135495), (3, 7000090330), (5, 4200054198), (6, 3500045165), (10, 2100027099), (15, 1400018066), (30, 700009033), (3559, 5900610), (7118, 2950305), (10677, 1966870), (17795, 1180122), (21354, 983435), (35590, 590061), (53385, 393374), (106770, 196687)]