21345768

素因数分解:

$2^3\times 3^4\times {\mathrm{32941}}^1$

素因数の和:32959

約数の個数: 40

約数和(自身を含む): 59789730

約数和(自身を除く): 38443962

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 32941, 65882, 98823, 131764, 197646, 263528, 296469, 395292, 592938, 790584, 889407, 1185876, 1778814, 2371752, 2668221, 3557628, 5336442, 7115256, 10672884, 21345768]

約数ペア:

[(1, 21345768), (2, 10672884), (3, 7115256), (4, 5336442), (6, 3557628), (8, 2668221), (9, 2371752), (12, 1778814), (18, 1185876), (24, 889407), (27, 790584), (36, 592938), (54, 395292), (72, 296469), (81, 263528), (108, 197646), (162, 131764), (216, 98823), (324, 65882), (648, 32941)]