21088896087

素因数分解:

$3^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{331}}^1\times {\mathrm{26849}}^1$

素因数の和:27303

約数の個数: 32

約数和(自身を含む): 32519001600

約数和(自身を除く): 11430105513

約数列:

[1, 3, 7, 21, 113, 331, 339, 791, 993, 2317, 2373, 6951, 26849, 37403, 80547, 112209, 187943, 261821, 563829, 785463, 3033937, 8887019, 9101811, 21237559, 26661057, 62209133, 63712677, 186627399, 1004233147, 3012699441, 7029632029, 21088896087]

約数ペア:

[(1, 21088896087), (3, 7029632029), (7, 3012699441), (21, 1004233147), (113, 186627399), (331, 63712677), (339, 62209133), (791, 26661057), (993, 21237559), (2317, 9101811), (2373, 8887019), (6951, 3033937), (26849, 785463), (37403, 563829), (80547, 261821), (112209, 187943)]