21530399

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{613}}^1$

素因数の和:758

約数の個数: 16

約数和(自身を含む): 24520704

約数和(自身を除く): 2990305

約数列:

[1, 11, 31, 103, 341, 613, 1133, 3193, 6743, 19003, 35123, 63139, 209033, 694529, 1957309, 21530399]

約数ペア:

[(1, 21530399), (11, 1957309), (31, 694529), (103, 209033), (341, 63139), (613, 35123), (1133, 19003), (3193, 6743)]