21119976

素因数分解:

$2^3\times 3^2\times {\mathrm{197}}^1\times {\mathrm{1489}}^1$

素因数の和:1698

約数の個数: 48

約数和(自身を含む): 57528900

約数和(自身を除く): 36408924

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 197, 394, 591, 788, 1182, 1489, 1576, 1773, 2364, 2978, 3546, 4467, 4728, 5956, 7092, 8934, 11912, 13401, 14184, 17868, 26802, 35736, 53604, 107208, 293333, 586666, 879999, 1173332, 1759998, 2346664, 2639997, 3519996, 5279994, 7039992, 10559988, 21119976]

約数ペア:

[(1, 21119976), (2, 10559988), (3, 7039992), (4, 5279994), (6, 3519996), (8, 2639997), (9, 2346664), (12, 1759998), (18, 1173332), (24, 879999), (36, 586666), (72, 293333), (197, 107208), (394, 53604), (591, 35736), (788, 26802), (1182, 17868), (1489, 14184), (1576, 13401), (1773, 11912), (2364, 8934), (2978, 7092), (3546, 5956), (4467, 4728)]