21057092

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{39581}}^1$

素因数の和:39611

約数の個数: 24

約数和(自身を含む): 44331840

約数和(自身を除く): 23274748

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 39581, 79162, 158324, 277067, 554134, 752039, 1108268, 1504078, 3008156, 5264273, 10528546, 21057092]

約数ペア:

[(1, 21057092), (2, 10528546), (4, 5264273), (7, 3008156), (14, 1504078), (19, 1108268), (28, 752039), (38, 554134), (76, 277067), (133, 158324), (266, 79162), (532, 39581)]