21000962877

素因数分解:

$3^1\times {\mathrm{113}}^1\times {\mathrm{173}}^1\times {\mathrm{433}}^1\times {\mathrm{827}}^1$

素因数の和:1549

約数の個数: 32

約数和(自身を含む): 28512425088

約数和(自身を除く): 7511462211

約数列:

[1, 3, 113, 173, 339, 433, 519, 827, 1299, 2481, 19549, 48929, 58647, 74909, 93451, 143071, 146787, 224727, 280353, 358091, 429213, 1074273, 8464717, 16167023, 25394151, 40464283, 48501069, 61949743, 121392849, 185849229, 7000320959, 21000962877]

約数ペア:

[(1, 21000962877), (3, 7000320959), (113, 185849229), (173, 121392849), (339, 61949743), (433, 48501069), (519, 40464283), (827, 25394151), (1299, 16167023), (2481, 8464717), (19549, 1074273), (48929, 429213), (58647, 358091), (74909, 280353), (93451, 224727), (143071, 146787)]