21000273795

素因数分解:

$3^2\times 5^1\times {\mathrm{1609}}^1\times {\mathrm{290039}}^1$

素因数の和:291659

約数の個数: 24

約数和(自身を含む): 36423223200

約数和(自身を除く): 15422949405

約数列:

[1, 3, 5, 9, 15, 45, 1609, 4827, 8045, 14481, 24135, 72405, 290039, 870117, 1450195, 2610351, 4350585, 13051755, 466672751, 1400018253, 2333363755, 4200054759, 7000091265, 21000273795]

約数ペア:

[(1, 21000273795), (3, 7000091265), (5, 4200054759), (9, 2333363755), (15, 1400018253), (45, 466672751), (1609, 13051755), (4827, 4350585), (8045, 2610351), (14481, 1450195), (24135, 870117), (72405, 290039)]