21625190

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127207}}^1$

素因数の和:127231

約数の個数: 16

約数和(自身を含む): 41215392

約数和(自身を除く): 19590202

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 127207, 254414, 636035, 1272070, 2162519, 4325038, 10812595, 21625190]

約数ペア:

[(1, 21625190), (2, 10812595), (5, 4325038), (10, 2162519), (17, 1272070), (34, 636035), (85, 254414), (170, 127207)]