21004480

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{9377}}^1$

素因数の和:9401

約数の個数: 56

約数和(自身を含む): 57168288

約数和(自身を除く): 36163808

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 9377, 18754, 37508, 46885, 65639, 75016, 93770, 131278, 150032, 187540, 262556, 300064, 328195, 375080, 525112, 600128, 656390, 750160, 1050224, 1312780, 1500320, 2100448, 2625560, 3000640, 4200896, 5251120, 10502240, 21004480]

約数ペア:

[(1, 21004480), (2, 10502240), (4, 5251120), (5, 4200896), (7, 3000640), (8, 2625560), (10, 2100448), (14, 1500320), (16, 1312780), (20, 1050224), (28, 750160), (32, 656390), (35, 600128), (40, 525112), (56, 375080), (64, 328195), (70, 300064), (80, 262556), (112, 187540), (140, 150032), (160, 131278), (224, 93770), (280, 75016), (320, 65639), (448, 46885), (560, 37508), (1120, 18754), (2240, 9377)]