21103020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{117239}}^1$

素因数の和:117254

約数の個数: 36

約数和(自身を含む): 64013040

約数和(自身を除く): 42910020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 117239, 234478, 351717, 468956, 586195, 703434, 1055151, 1172390, 1406868, 1758585, 2110302, 2344780, 3517170, 4220604, 5275755, 7034340, 10551510, 21103020]

約数ペア:

[(1, 21103020), (2, 10551510), (3, 7034340), (4, 5275755), (5, 4220604), (6, 3517170), (9, 2344780), (10, 2110302), (12, 1758585), (15, 1406868), (18, 1172390), (20, 1055151), (30, 703434), (36, 586195), (45, 468956), (60, 351717), (90, 234478), (180, 117239)]