21155256

素因数分解:

$2^3\times 3^4\times {\mathrm{32647}}^1$

素因数の和:32665

約数の個数: 40

約数和(自身を含む): 59256120

約数和(自身を除く): 38100864

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 32647, 65294, 97941, 130588, 195882, 261176, 293823, 391764, 587646, 783528, 881469, 1175292, 1762938, 2350584, 2644407, 3525876, 5288814, 7051752, 10577628, 21155256]

約数ペア:

[(1, 21155256), (2, 10577628), (3, 7051752), (4, 5288814), (6, 3525876), (8, 2644407), (9, 2350584), (12, 1762938), (18, 1175292), (24, 881469), (27, 783528), (36, 587646), (54, 391764), (72, 293823), (81, 261176), (108, 195882), (162, 130588), (216, 97941), (324, 65294), (648, 32647)]