21536701209

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{33619}}^1$

素因数の和:33774

約数の個数: 48

約数和(自身を含む): 33985785600

約数和(自身を除く): 12449084391

約数列:

[1, 3, 9, 17, 51, 53, 79, 153, 159, 237, 477, 711, 901, 1343, 2703, 4029, 4187, 8109, 12087, 12561, 33619, 37683, 71179, 100857, 213537, 302571, 571523, 640611, 1714569, 1781807, 2655901, 5143707, 5345421, 7967703, 16036263, 23903109, 30290719, 45150317, 90872157, 135450951, 140762753, 272616471, 406352853, 422288259, 1266864777, 2392966801, 7178900403, 21536701209]

約数ペア:

[(1, 21536701209), (3, 7178900403), (9, 2392966801), (17, 1266864777), (51, 422288259), (53, 406352853), (79, 272616471), (153, 140762753), (159, 135450951), (237, 90872157), (477, 45150317), (711, 30290719), (901, 23903109), (1343, 16036263), (2703, 7967703), (4029, 5345421), (4187, 5143707), (8109, 2655901), (12087, 1781807), (12561, 1714569), (33619, 640611), (37683, 571523), (71179, 302571), (100857, 213537)]