21741369

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{2221}}^1$

素因数の和:2488

約数の個数: 16

約数和(自身を含む): 31356864

約数和(自身を除く): 9615495

約数列:

[1, 3, 13, 39, 251, 753, 2221, 3263, 6663, 9789, 28873, 86619, 557471, 1672413, 7247123, 21741369]

約数ペア:

[(1, 21741369), (3, 7247123), (13, 1672413), (39, 557471), (251, 86619), (753, 28873), (2221, 9789), (3263, 6663)]