21332997

素因数分解:

$3^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2753}}^1$

素因数の和:2810

約数の個数: 32

約数和(自身を含む): 37013760

約数和(自身を除く): 15680763

約数列:

[1, 3, 7, 9, 21, 27, 41, 63, 123, 189, 287, 369, 861, 1107, 2583, 2753, 7749, 8259, 19271, 24777, 57813, 74331, 112873, 173439, 338619, 520317, 790111, 1015857, 2370333, 3047571, 7110999, 21332997]

約数ペア:

[(1, 21332997), (3, 7110999), (7, 3047571), (9, 2370333), (21, 1015857), (27, 790111), (41, 520317), (63, 338619), (123, 173439), (189, 112873), (287, 74331), (369, 57813), (861, 24777), (1107, 19271), (2583, 8259), (2753, 7749)]