21348540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{118603}}^1$

素因数の和:118618

約数の個数: 36

約数和(自身を含む): 64757784

約数和(自身を除く): 43409244

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 118603, 237206, 355809, 474412, 593015, 711618, 1067427, 1186030, 1423236, 1779045, 2134854, 2372060, 3558090, 4269708, 5337135, 7116180, 10674270, 21348540]

約数ペア:

[(1, 21348540), (2, 10674270), (3, 7116180), (4, 5337135), (5, 4269708), (6, 3558090), (9, 2372060), (10, 2134854), (12, 1779045), (15, 1423236), (18, 1186030), (20, 1067427), (30, 711618), (36, 593015), (45, 474412), (60, 355809), (90, 237206), (180, 118603)]