21954010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1741}}^1$

素因数の和:1858

約数の個数: 32

約数和(自身を含む): 43020432

約数和(自身を除く): 21066422

約数列:

[1, 2, 5, 10, 13, 26, 65, 97, 130, 194, 485, 970, 1261, 1741, 2522, 3482, 6305, 8705, 12610, 17410, 22633, 45266, 113165, 168877, 226330, 337754, 844385, 1688770, 2195401, 4390802, 10977005, 21954010]

約数ペア:

[(1, 21954010), (2, 10977005), (5, 4390802), (10, 2195401), (13, 1688770), (26, 844385), (65, 337754), (97, 226330), (130, 168877), (194, 113165), (485, 45266), (970, 22633), (1261, 17410), (1741, 12610), (2522, 8705), (3482, 6305)]