21233654

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{19919}}^1$

素因数の和:19975

約数の個数: 16

約数和(自身を含む): 35138880

約数和(自身を除く): 13905226

約数列:

[1, 2, 13, 26, 41, 82, 533, 1066, 19919, 39838, 258947, 517894, 816679, 1633358, 10616827, 21233654]

約数ペア:

[(1, 21233654), (2, 10616827), (13, 1633358), (26, 816679), (41, 517894), (82, 258947), (533, 39838), (1066, 19919)]