2021212137

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1231}}^1\times {\mathrm{1907}}^1$

素因数の和:3189

約数の個数: 32

約数和(自身を含む): 3159281664

約数和(自身を除く): 1138069527

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 1231, 1907, 3693, 5721, 8617, 13349, 25851, 40047, 50471, 78187, 151413, 234561, 353297, 547309, 1059891, 1641927, 2347517, 7042551, 16432619, 49297857, 96248197, 288744591, 673737379, 2021212137]

約数ペア:

[(1, 2021212137), (3, 673737379), (7, 288744591), (21, 96248197), (41, 49297857), (123, 16432619), (287, 7042551), (861, 2347517), (1231, 1641927), (1907, 1059891), (3693, 547309), (5721, 353297), (8617, 234561), (13349, 151413), (25851, 78187), (40047, 50471)]