21176120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{75629}}^1$

素因数の和:75647

約数の個数: 32

約数和(自身を含む): 54453600

約数和(自身を除く): 33277480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 75629, 151258, 302516, 378145, 529403, 605032, 756290, 1058806, 1512580, 2117612, 2647015, 3025160, 4235224, 5294030, 10588060, 21176120]

約数ペア:

[(1, 21176120), (2, 10588060), (4, 5294030), (5, 4235224), (7, 3025160), (8, 2647015), (10, 2117612), (14, 1512580), (20, 1058806), (28, 756290), (35, 605032), (40, 529403), (56, 378145), (70, 302516), (140, 151258), (280, 75629)]