21274380

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{39397}}^1$

素因数の和:39415

約数の個数: 48

約数和(自身を含む): 66188640

約数和(自身を除く): 44914260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 39397, 78794, 118191, 157588, 196985, 236382, 354573, 393970, 472764, 590955, 709146, 787940, 1063719, 1181910, 1418292, 1772865, 2127438, 2363820, 3545730, 4254876, 5318595, 7091460, 10637190, 21274380]

約数ペア:

[(1, 21274380), (2, 10637190), (3, 7091460), (4, 5318595), (5, 4254876), (6, 3545730), (9, 2363820), (10, 2127438), (12, 1772865), (15, 1418292), (18, 1181910), (20, 1063719), (27, 787940), (30, 709146), (36, 590955), (45, 472764), (54, 393970), (60, 354573), (90, 236382), (108, 196985), (135, 157588), (180, 118191), (270, 78794), (540, 39397)]