21253133

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{661}}^1$

素因数の和:788

約数の個数: 16

約数和(自身を含む): 24149760

約数和(自身を除く): 2896627

約数列:

[1, 11, 37, 79, 407, 661, 869, 2923, 7271, 24457, 32153, 52219, 269027, 574409, 1932103, 21253133]

約数ペア:

[(1, 21253133), (11, 1932103), (37, 574409), (79, 269027), (407, 52219), (661, 32153), (869, 24457), (2923, 7271)]