21830913

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{463}}^1$

素因数の和:526

約数の個数: 36

約数和(自身を含む): 35323392

約数和(自身を除く): 13492479

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 169, 279, 403, 463, 507, 1209, 1389, 1521, 3627, 4167, 5239, 6019, 14353, 15717, 18057, 43059, 47151, 54171, 78247, 129177, 186589, 234741, 559767, 704223, 1679301, 2425657, 7276971, 21830913]

約数ペア:

[(1, 21830913), (3, 7276971), (9, 2425657), (13, 1679301), (31, 704223), (39, 559767), (93, 234741), (117, 186589), (169, 129177), (279, 78247), (403, 54171), (463, 47151), (507, 43059), (1209, 18057), (1389, 15717), (1521, 14353), (3627, 6019), (4167, 5239)]