21338295

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1637}}^1$

素因数の和:1735

約数の個数: 32

約数和(自身を含む): 37739520

約数和(自身を除く): 16401225

約数列:

[1, 3, 5, 11, 15, 33, 55, 79, 165, 237, 395, 869, 1185, 1637, 2607, 4345, 4911, 8185, 13035, 18007, 24555, 54021, 90035, 129323, 270105, 387969, 646615, 1422553, 1939845, 4267659, 7112765, 21338295]

約数ペア:

[(1, 21338295), (3, 7112765), (5, 4267659), (11, 1939845), (15, 1422553), (33, 646615), (55, 387969), (79, 270105), (165, 129323), (237, 90035), (395, 54021), (869, 24555), (1185, 18007), (1637, 13035), (2607, 8185), (4345, 4911)]