21382030

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{5923}}^1$

素因数の和:5968

約数の個数: 24

約数和(自身を含む): 40626792

約数和(自身を除く): 19244762

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 361, 722, 1805, 3610, 5923, 11846, 29615, 59230, 112537, 225074, 562685, 1125370, 2138203, 4276406, 10691015, 21382030]

約数ペア:

[(1, 21382030), (2, 10691015), (5, 4276406), (10, 2138203), (19, 1125370), (38, 562685), (95, 225074), (190, 112537), (361, 59230), (722, 29615), (1805, 11846), (3610, 5923)]