21174160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37811}}^1$

素因数の和:37831

約数の個数: 40

約数和(自身を含む): 56264256

約数和(自身を除く): 35090096

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 37811, 75622, 151244, 189055, 264677, 302488, 378110, 529354, 604976, 756220, 1058708, 1323385, 1512440, 2117416, 2646770, 3024880, 4234832, 5293540, 10587080, 21174160]

約数ペア:

[(1, 21174160), (2, 10587080), (4, 5293540), (5, 4234832), (7, 3024880), (8, 2646770), (10, 2117416), (14, 1512440), (16, 1323385), (20, 1058708), (28, 756220), (35, 604976), (40, 529354), (56, 378110), (70, 302488), (80, 264677), (112, 189055), (140, 151244), (280, 75622), (560, 37811)]