21867525

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{5717}}^1$

素因数の和:5750

約数の個数: 36

約数和(自身を含む): 41478372

約数和(自身を除く): 19610847

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 153, 225, 255, 425, 765, 1275, 3825, 5717, 17151, 28585, 51453, 85755, 97189, 142925, 257265, 291567, 428775, 485945, 874701, 1286325, 1457835, 2429725, 4373505, 7289175, 21867525]

約数ペア:

[(1, 21867525), (3, 7289175), (5, 4373505), (9, 2429725), (15, 1457835), (17, 1286325), (25, 874701), (45, 485945), (51, 428775), (75, 291567), (85, 257265), (153, 142925), (225, 97189), (255, 85755), (425, 51453), (765, 28585), (1275, 17151), (3825, 5717)]