21505060

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{6007}}^1$

素因数の和:6195

約数の個数: 24

約数和(自身を含む): 45420480

約数和(自身を除く): 23915420

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3580, 6007, 12014, 24028, 30035, 60070, 120140, 1075253, 2150506, 4301012, 5376265, 10752530, 21505060]

約数ペア:

[(1, 21505060), (2, 10752530), (4, 5376265), (5, 4301012), (10, 2150506), (20, 1075253), (179, 120140), (358, 60070), (716, 30035), (895, 24028), (1790, 12014), (3580, 6007)]