21161310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{13309}}^1$

素因数の和:13372

約数の個数: 32

約数和(自身を含む): 51749280

約数和(自身を除く): 30587970

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 106, 159, 265, 318, 530, 795, 1590, 13309, 26618, 39927, 66545, 79854, 133090, 199635, 399270, 705377, 1410754, 2116131, 3526885, 4232262, 7053770, 10580655, 21161310]

約数ペア:

[(1, 21161310), (2, 10580655), (3, 7053770), (5, 4232262), (6, 3526885), (10, 2116131), (15, 1410754), (30, 705377), (53, 399270), (106, 199635), (159, 133090), (265, 79854), (318, 66545), (530, 39927), (795, 26618), (1590, 13309)]