21302630

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{463}}^1$

素因数の和:620

約数の個数: 32

約数和(自身を含む): 39688704

約数和(自身を除く): 18386074

約数列:

[1, 2, 5, 10, 43, 86, 107, 214, 215, 430, 463, 535, 926, 1070, 2315, 4601, 4630, 9202, 19909, 23005, 39818, 46010, 49541, 99082, 99545, 199090, 247705, 495410, 2130263, 4260526, 10651315, 21302630]

約数ペア:

[(1, 21302630), (2, 10651315), (5, 4260526), (10, 2130263), (43, 495410), (86, 247705), (107, 199090), (214, 99545), (215, 99082), (430, 49541), (463, 46010), (535, 39818), (926, 23005), (1070, 19909), (2315, 9202), (4601, 4630)]