21980118

素因数分解:

$2^1\times 3^1\times {\mathrm{727}}^1\times {\mathrm{5039}}^1$

素因数の和:5771

約数の個数: 16

約数和(自身を含む): 44029440

約数和(自身を除く): 22049322

約数列:

[1, 2, 3, 6, 727, 1454, 2181, 4362, 5039, 10078, 15117, 30234, 3663353, 7326706, 10990059, 21980118]

約数ペア:

[(1, 21980118), (2, 10990059), (3, 7326706), (6, 3663353), (727, 30234), (1454, 15117), (2181, 10078), (4362, 5039)]