21611961

素因数分解:

$3^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2789}}^1$

素因数の和:2846

約数の個数: 32

約数和(自身を含む): 37497600

約数和(自身を除く): 15885639

約数列:

[1, 3, 7, 9, 21, 27, 41, 63, 123, 189, 287, 369, 861, 1107, 2583, 2789, 7749, 8367, 19523, 25101, 58569, 75303, 114349, 175707, 343047, 527121, 800443, 1029141, 2401329, 3087423, 7203987, 21611961]

約数ペア:

[(1, 21611961), (3, 7203987), (7, 3087423), (9, 2401329), (21, 1029141), (27, 800443), (41, 527121), (63, 343047), (123, 175707), (189, 114349), (287, 75303), (369, 58569), (861, 25101), (1107, 19523), (2583, 8367), (2789, 7749)]