21690036

素因数分解:

$2^2\times 3^2\times {\mathrm{602501}}^1$

素因数の和:602511

約数の個数: 18

約数和(自身を含む): 54827682

約数和(自身を除く): 33137646

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 602501, 1205002, 1807503, 2410004, 3615006, 5422509, 7230012, 10845018, 21690036]

約数ペア:

[(1, 21690036), (2, 10845018), (3, 7230012), (4, 5422509), (6, 3615006), (9, 2410004), (12, 1807503), (18, 1205002), (36, 602501)]