21121310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{17749}}^1$

素因数の和:17780

約数の個数: 32

約数和(自身を含む): 46008000

約数和(自身を除く): 24886690

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 238, 595, 1190, 17749, 35498, 88745, 124243, 177490, 248486, 301733, 603466, 621215, 1242430, 1508665, 2112131, 3017330, 4224262, 10560655, 21121310]

約数ペア:

[(1, 21121310), (2, 10560655), (5, 4224262), (7, 3017330), (10, 2112131), (14, 1508665), (17, 1242430), (34, 621215), (35, 603466), (70, 301733), (85, 248486), (119, 177490), (170, 124243), (238, 88745), (595, 35498), (1190, 17749)]