21662568

素因数分解:

$2^3\times 3^2\times {\mathrm{300869}}^1$

素因数の和:300881

約数の個数: 24

約数和(自身を含む): 58669650

約数和(自身を除く): 37007082

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 300869, 601738, 902607, 1203476, 1805214, 2406952, 2707821, 3610428, 5415642, 7220856, 10831284, 21662568]

約数ペア:

[(1, 21662568), (2, 10831284), (3, 7220856), (4, 5415642), (6, 3610428), (8, 2707821), (9, 2406952), (12, 1805214), (18, 1203476), (24, 902607), (36, 601738), (72, 300869)]