21340938

素因数分解:

$2^1\times 3^1\times {\mathrm{163}}^1\times {\mathrm{21821}}^1$

素因数の和:21989

約数の個数: 16

約数和(自身を含む): 42945696

約数和(自身を除く): 21604758

約数列:

[1, 2, 3, 6, 163, 326, 489, 978, 21821, 43642, 65463, 130926, 3556823, 7113646, 10670469, 21340938]

約数ペア:

[(1, 21340938), (2, 10670469), (3, 7113646), (6, 3556823), (163, 130926), (326, 65463), (489, 43642), (978, 21821)]