21459802

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{117911}}^1$

素因数の和:117933

約数の個数: 16

約数和(自身を含む): 39618432

約数和(自身を除く): 18158630

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 117911, 235822, 825377, 1532843, 1650754, 3065686, 10729901, 21459802]

約数ペア:

[(1, 21459802), (2, 10729901), (7, 3065686), (13, 1650754), (14, 1532843), (26, 825377), (91, 235822), (182, 117911)]