21135562

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{11351}}^1$

素因数の和:11386

約数の個数: 24

約数和(自身を含む): 38823840

約数和(自身を除く): 17688278

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 266, 931, 1862, 11351, 22702, 79457, 158914, 215669, 431338, 556199, 1112398, 1509683, 3019366, 10567781, 21135562]

約数ペア:

[(1, 21135562), (2, 10567781), (7, 3019366), (14, 1509683), (19, 1112398), (38, 556199), (49, 431338), (98, 215669), (133, 158914), (266, 79457), (931, 22702), (1862, 11351)]