21749610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{13679}}^1$

素因数の和:13742

約数の個数: 32

約数和(自身を含む): 53187840

約数和(自身を除く): 31438230

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 106, 159, 265, 318, 530, 795, 1590, 13679, 27358, 41037, 68395, 82074, 136790, 205185, 410370, 724987, 1449974, 2174961, 3624935, 4349922, 7249870, 10874805, 21749610]

約数ペア:

[(1, 21749610), (2, 10874805), (3, 7249870), (5, 4349922), (6, 3624935), (10, 2174961), (15, 1449974), (30, 724987), (53, 410370), (106, 205185), (159, 136790), (265, 82074), (318, 68395), (530, 41037), (795, 27358), (1590, 13679)]