21510038

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{5119}}^1$

素因数の和:5323

約数の個数: 16

約数和(自身を含む): 35389440

約数和(自身を除く): 13879402

約数列:

[1, 2, 11, 22, 191, 382, 2101, 4202, 5119, 10238, 56309, 112618, 977729, 1955458, 10755019, 21510038]

約数ペア:

[(1, 21510038), (2, 10755019), (11, 1955458), (22, 977729), (191, 112618), (382, 56309), (2101, 10238), (4202, 5119)]