21601936

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{71059}}^1$

素因数の和:71086

約数の個数: 20

約数和(自身を含む): 44057200

約数和(自身を除く): 22455264

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 71059, 142118, 284236, 568472, 1136944, 1350121, 2700242, 5400484, 10800968, 21601936]

約数ペア:

[(1, 21601936), (2, 10800968), (4, 5400484), (8, 2700242), (16, 1350121), (19, 1136944), (38, 568472), (76, 284236), (152, 142118), (304, 71059)]