21130189661

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{536449}}^1$

素因数の和:536804

約数の個数: 16

約数和(自身を含む): 25646601600

約数和(自身を除く): 4516411939

約数列:

[1, 7, 17, 119, 331, 2317, 5627, 39389, 536449, 3755143, 9119633, 63837431, 177564619, 1242952333, 3018598523, 21130189661]

約数ペア:

[(1, 21130189661), (7, 3018598523), (17, 1242952333), (119, 177564619), (331, 63837431), (2317, 9119633), (5627, 3755143), (39389, 536449)]