21507534

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{193}}^1$

素因数の和:393

約数の個数: 48

約数和(自身を含む): 48301344

約数和(自身を除く): 26793810

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 123, 151, 193, 246, 302, 369, 386, 453, 579, 738, 906, 1158, 1359, 1737, 2718, 3474, 6191, 7913, 12382, 15826, 18573, 23739, 29143, 37146, 47478, 55719, 58286, 71217, 87429, 111438, 142434, 174858, 262287, 524574, 1194863, 2389726, 3584589, 7169178, 10753767, 21507534]

約数ペア:

[(1, 21507534), (2, 10753767), (3, 7169178), (6, 3584589), (9, 2389726), (18, 1194863), (41, 524574), (82, 262287), (123, 174858), (151, 142434), (193, 111438), (246, 87429), (302, 71217), (369, 58286), (386, 55719), (453, 47478), (579, 37146), (738, 29143), (906, 23739), (1158, 18573), (1359, 15826), (1737, 12382), (2718, 7913), (3474, 6191)]