21209892

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{160681}}^1$

素因数の和:160699

約数の個数: 24

約数和(自身を含む): 53989152

約数和(自身を除く): 32779260

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 160681, 321362, 482043, 642724, 964086, 1767491, 1928172, 3534982, 5302473, 7069964, 10604946, 21209892]

約数ペア:

[(1, 21209892), (2, 10604946), (3, 7069964), (4, 5302473), (6, 3534982), (11, 1928172), (12, 1767491), (22, 964086), (33, 642724), (44, 482043), (66, 321362), (132, 160681)]