21006828

素因数分解:

$2^2\times 3^2\times {\mathrm{583523}}^1$

素因数の和:583533

約数の個数: 18

約数和(自身を含む): 53100684

約数和(自身を除く): 32093856

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 583523, 1167046, 1750569, 2334092, 3501138, 5251707, 7002276, 10503414, 21006828]

約数ペア:

[(1, 21006828), (2, 10503414), (3, 7002276), (4, 5251707), (6, 3501138), (9, 2334092), (12, 1750569), (18, 1167046), (36, 583523)]