21722661

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:295

約数の個数: 40

約数和(自身を含む): 34476288

約数和(自身を除く): 12753627

約数列:

[1, 3, 9, 27, 31, 41, 81, 93, 123, 211, 279, 369, 633, 837, 1107, 1271, 1899, 2511, 3321, 3813, 5697, 6541, 8651, 11439, 17091, 19623, 25953, 34317, 58869, 77859, 102951, 176607, 233577, 268181, 529821, 700731, 804543, 2413629, 7240887, 21722661]

約数ペア:

[(1, 21722661), (3, 7240887), (9, 2413629), (27, 804543), (31, 700731), (41, 529821), (81, 268181), (93, 233577), (123, 176607), (211, 102951), (279, 77859), (369, 58869), (633, 34317), (837, 25953), (1107, 19623), (1271, 17091), (1899, 11439), (2511, 8651), (3321, 6541), (3813, 5697)]