21131615230

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{191531}}^1$

素因数の和:191625

約数の個数: 64

約数和(自身を含む): 44680584960

約数和(自身を除く): 23548969730

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 59, 85, 110, 118, 170, 187, 295, 374, 590, 649, 935, 1003, 1298, 1870, 2006, 3245, 5015, 6490, 10030, 11033, 22066, 55165, 110330, 191531, 383062, 957655, 1915310, 2106841, 3256027, 4213682, 6512054, 10534205, 11300329, 16280135, 21068410, 22600658, 32560270, 35816297, 56501645, 71632594, 113003290, 124303619, 179081485, 192105593, 248607238, 358162970, 384211186, 621518095, 960527965, 1243036190, 1921055930, 2113161523, 4226323046, 10565807615, 21131615230]

約数ペア:

[(1, 21131615230), (2, 10565807615), (5, 4226323046), (10, 2113161523), (11, 1921055930), (17, 1243036190), (22, 960527965), (34, 621518095), (55, 384211186), (59, 358162970), (85, 248607238), (110, 192105593), (118, 179081485), (170, 124303619), (187, 113003290), (295, 71632594), (374, 56501645), (590, 35816297), (649, 32560270), (935, 22600658), (1003, 21068410), (1298, 16280135), (1870, 11300329), (2006, 10534205), (3245, 6512054), (5015, 4213682), (6490, 3256027), (10030, 2106841), (11033, 1915310), (22066, 957655), (55165, 383062), (110330, 191531)]