21777732

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:329

約数の個数: 72

約数和(自身を含む): 57412992

約数和(自身を除く): 35635260

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 61, 94, 122, 141, 183, 188, 211, 244, 282, 366, 422, 423, 549, 564, 633, 732, 844, 846, 1098, 1266, 1692, 1899, 2196, 2532, 2867, 3798, 5734, 7596, 8601, 9917, 11468, 12871, 17202, 19834, 25742, 25803, 29751, 34404, 38613, 39668, 51484, 51606, 59502, 77226, 89253, 103212, 115839, 119004, 154452, 178506, 231678, 357012, 463356, 604937, 1209874, 1814811, 2419748, 3629622, 5444433, 7259244, 10888866, 21777732]

約数ペア:

[(1, 21777732), (2, 10888866), (3, 7259244), (4, 5444433), (6, 3629622), (9, 2419748), (12, 1814811), (18, 1209874), (36, 604937), (47, 463356), (61, 357012), (94, 231678), (122, 178506), (141, 154452), (183, 119004), (188, 115839), (211, 103212), (244, 89253), (282, 77226), (366, 59502), (422, 51606), (423, 51484), (549, 39668), (564, 38613), (633, 34404), (732, 29751), (844, 25803), (846, 25742), (1098, 19834), (1266, 17202), (1692, 12871), (1899, 11468), (2196, 9917), (2532, 8601), (2867, 7596), (3798, 5734)]