21937747

素因数分解:

${\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{521}}^1$

素因数の和:654

約数の個数: 16

約数和(自身を含む): 24554880

約数和(自身を除く): 2617133

約数列:

[1, 13, 41, 79, 521, 533, 1027, 3239, 6773, 21361, 41159, 42107, 277693, 535067, 1687519, 21937747]

約数ペア:

[(1, 21937747), (13, 1687519), (41, 535067), (79, 277693), (521, 42107), (533, 41159), (1027, 21361), (3239, 6773)]