21851121

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{3517}}^1$

素因数の和:3648

約数の個数: 16

約数和(自身を含む): 30958400

約数和(自身を除く): 9107279

約数列:

[1, 3, 19, 57, 109, 327, 2071, 3517, 6213, 10551, 66823, 200469, 383353, 1150059, 7283707, 21851121]

約数ペア:

[(1, 21851121), (3, 7283707), (19, 1150059), (57, 383353), (109, 200469), (327, 66823), (2071, 10551), (3517, 6213)]