21747957

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3037}}^1$

素因数の和:3089

約数の個数: 32

約数和(自身を含む): 37330944

約数和(自身を除く): 15582987

約数列:

[1, 3, 7, 11, 21, 31, 33, 77, 93, 217, 231, 341, 651, 1023, 2387, 3037, 7161, 9111, 21259, 33407, 63777, 94147, 100221, 233849, 282441, 659029, 701547, 1035617, 1977087, 3106851, 7249319, 21747957]

約数ペア:

[(1, 21747957), (3, 7249319), (7, 3106851), (11, 1977087), (21, 1035617), (31, 701547), (33, 659029), (77, 282441), (93, 233849), (217, 100221), (231, 94147), (341, 63777), (651, 33407), (1023, 21259), (2387, 9111), (3037, 7161)]