21197638

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{2333}}^1$

素因数の和:2412

約数の個数: 32

約数和(自身を含む): 40331520

約数和(自身を除く): 19133882

約数列:

[1, 2, 7, 11, 14, 22, 59, 77, 118, 154, 413, 649, 826, 1298, 2333, 4543, 4666, 9086, 16331, 25663, 32662, 51326, 137647, 179641, 275294, 359282, 963529, 1514117, 1927058, 3028234, 10598819, 21197638]

約数ペア:

[(1, 21197638), (2, 10598819), (7, 3028234), (11, 1927058), (14, 1514117), (22, 963529), (59, 359282), (77, 275294), (118, 179641), (154, 137647), (413, 51326), (649, 32662), (826, 25663), (1298, 16331), (2333, 9086), (4543, 4666)]