21350648

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{242621}}^1$

素因数の和:242638

約数の個数: 16

約数和(自身を含む): 43671960

約数和(自身を除く): 22321312

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 242621, 485242, 970484, 1940968, 2668831, 5337662, 10675324, 21350648]

約数ペア:

[(1, 21350648), (2, 10675324), (4, 5337662), (8, 2668831), (11, 1940968), (22, 970484), (44, 485242), (88, 242621)]