21820830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{509}}^1\times {\mathrm{1429}}^1$

素因数の和:1948

約数の個数: 32

約数和(自身を含む): 52509600

約数和(自身を除く): 30688770

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 509, 1018, 1429, 1527, 2545, 2858, 3054, 4287, 5090, 7145, 7635, 8574, 14290, 15270, 21435, 42870, 727361, 1454722, 2182083, 3636805, 4364166, 7273610, 10910415, 21820830]

約数ペア:

[(1, 21820830), (2, 10910415), (3, 7273610), (5, 4364166), (6, 3636805), (10, 2182083), (15, 1454722), (30, 727361), (509, 42870), (1018, 21435), (1429, 15270), (1527, 14290), (2545, 8574), (2858, 7635), (3054, 7145), (4287, 5090)]