21730116

素因数分解:

$2^2\times 3^1\times {\mathrm{103}}^1\times {\mathrm{17581}}^1$

素因数の和:17691

約数の個数: 24

約数和(自身を含む): 51198784

約数和(自身を除く): 29468668

約数列:

[1, 2, 3, 4, 6, 12, 103, 206, 309, 412, 618, 1236, 17581, 35162, 52743, 70324, 105486, 210972, 1810843, 3621686, 5432529, 7243372, 10865058, 21730116]

約数ペア:

[(1, 21730116), (2, 10865058), (3, 7243372), (4, 5432529), (6, 3621686), (12, 1810843), (103, 210972), (206, 105486), (309, 70324), (412, 52743), (618, 35162), (1236, 17581)]