21780502

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{751}}^1\times {\mathrm{853}}^1$

素因数の和:1623

約数の個数: 16

約数和(自身を含む): 34679232

約数和(自身を除く): 12898730

約数列:

[1, 2, 17, 34, 751, 853, 1502, 1706, 12767, 14501, 25534, 29002, 640603, 1281206, 10890251, 21780502]

約数ペア:

[(1, 21780502), (2, 10890251), (17, 1281206), (34, 640603), (751, 29002), (853, 25534), (1502, 14501), (1706, 12767)]