21413220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{356887}}^1$

素因数の和:356899

約数の個数: 24

約数和(自身を含む): 59957184

約数和(自身を除く): 38543964

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 356887, 713774, 1070661, 1427548, 1784435, 2141322, 3568870, 4282644, 5353305, 7137740, 10706610, 21413220]

約数ペア:

[(1, 21413220), (2, 10706610), (3, 7137740), (4, 5353305), (5, 4282644), (6, 3568870), (10, 2141322), (12, 1784435), (15, 1427548), (20, 1070661), (30, 713774), (60, 356887)]