21742413

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1543}}^1$

素因数の和:1625

約数の個数: 32

約数和(自身を含む): 36759552

約数和(自身を除く): 15017139

約数列:

[1, 3, 7, 11, 21, 33, 61, 77, 183, 231, 427, 671, 1281, 1543, 2013, 4629, 4697, 10801, 14091, 16973, 32403, 50919, 94123, 118811, 282369, 356433, 658861, 1035353, 1976583, 3106059, 7247471, 21742413]

約数ペア:

[(1, 21742413), (3, 7247471), (7, 3106059), (11, 1976583), (21, 1035353), (33, 658861), (61, 356433), (77, 282369), (183, 118811), (231, 94123), (427, 50919), (671, 32403), (1281, 16973), (1543, 14091), (2013, 10801), (4629, 4697)]