21708828

素因数分解:

$2^2\times 3^2\times {\mathrm{603023}}^1$

素因数の和:603033

約数の個数: 18

約数和(自身を含む): 54875184

約数和(自身を除く): 33166356

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 603023, 1206046, 1809069, 2412092, 3618138, 5427207, 7236276, 10854414, 21708828]

約数ペア:

[(1, 21708828), (2, 10854414), (3, 7236276), (4, 5427207), (6, 3618138), (9, 2412092), (12, 1809069), (18, 1206046), (36, 603023)]