21601638

素因数分解:

$2^1\times 3^2\times {\mathrm{131}}^1\times {\mathrm{9161}}^1$

素因数の和:9300

約数の個数: 24

約数和(自身を含む): 47165976

約数和(自身を除く): 25564338

約数列:

[1, 2, 3, 6, 9, 18, 131, 262, 393, 786, 1179, 2358, 9161, 18322, 27483, 54966, 82449, 164898, 1200091, 2400182, 3600273, 7200546, 10800819, 21601638]

約数ペア:

[(1, 21601638), (2, 10800819), (3, 7200546), (6, 3600273), (9, 2400182), (18, 1200091), (131, 164898), (262, 82449), (393, 54966), (786, 27483), (1179, 18322), (2358, 9161)]