21535558

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{12391}}^1$

素因数の和:12483

約数の個数: 16

約数和(自身を含む): 35688960

約数和(自身を除く): 14153402

約数列:

[1, 2, 11, 22, 79, 158, 869, 1738, 12391, 24782, 136301, 272602, 978889, 1957778, 10767779, 21535558]

約数ペア:

[(1, 21535558), (2, 10767779), (11, 1957778), (22, 978889), (79, 272602), (158, 136301), (869, 24782), (1738, 12391)]