21966975

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{5743}}^1$

素因数の和:5776

約数の個数: 36

約数和(自身を含む): 41666976

約数和(自身を除く): 19700001

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 153, 225, 255, 425, 765, 1275, 3825, 5743, 17229, 28715, 51687, 86145, 97631, 143575, 258435, 292893, 430725, 488155, 878679, 1292175, 1464465, 2440775, 4393395, 7322325, 21966975]

約数ペア:

[(1, 21966975), (3, 7322325), (5, 4393395), (9, 2440775), (15, 1464465), (17, 1292175), (25, 878679), (45, 488155), (51, 430725), (75, 292893), (85, 258435), (153, 143575), (225, 97631), (255, 86145), (425, 51687), (765, 28715), (1275, 17229), (3825, 5743)]