21413483

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{787}}^1$

素因数の和:843

約数の個数: 24

約数和(自身を含む): 27687168

約数和(自身を除く): 6273685

約数列:

[1, 7, 13, 23, 91, 161, 169, 299, 787, 1183, 2093, 3887, 5509, 10231, 18101, 27209, 71617, 126707, 133003, 235313, 931021, 1647191, 3059069, 21413483]

約数ペア:

[(1, 21413483), (7, 3059069), (13, 1647191), (23, 931021), (91, 235313), (161, 133003), (169, 126707), (299, 71617), (787, 27209), (1183, 18101), (2093, 10231), (3887, 5509)]