21344435

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1237}}^1$

素因数の和:1295

約数の個数: 32

約数和(自身を含む): 32088960

約数和(自身を除く): 10744525

約数列:

[1, 5, 7, 17, 29, 35, 85, 119, 145, 203, 493, 595, 1015, 1237, 2465, 3451, 6185, 8659, 17255, 21029, 35873, 43295, 105145, 147203, 179365, 251111, 609841, 736015, 1255555, 3049205, 4268887, 21344435]

約数ペア:

[(1, 21344435), (5, 4268887), (7, 3049205), (17, 1255555), (29, 736015), (35, 609841), (85, 251111), (119, 179365), (145, 147203), (203, 105145), (493, 43295), (595, 35873), (1015, 21029), (1237, 17255), (2465, 8659), (3451, 6185)]