21847405

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{2389}}^1$

素因数の和:2484

約数の個数: 16

約数和(自身を含む): 27532800

約数和(自身を除く): 5685395

約数列:

[1, 5, 31, 59, 155, 295, 1829, 2389, 9145, 11945, 74059, 140951, 370295, 704755, 4369481, 21847405]

約数ペア:

[(1, 21847405), (5, 4369481), (31, 704755), (59, 370295), (155, 140951), (295, 74059), (1829, 11945), (2389, 9145)]