21510030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{717001}}^1$

素因数の和:717011

約数の個数: 16

約数和(自身を含む): 51624144

約数和(自身を除く): 30114114

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 717001, 1434002, 2151003, 3585005, 4302006, 7170010, 10755015, 21510030]

約数ペア:

[(1, 21510030), (2, 10755015), (3, 7170010), (5, 4302006), (6, 3585005), (10, 2151003), (15, 1434002), (30, 717001)]