21365946

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{4583}}^1$

素因数の和:4635

約数の個数: 48

約数和(自身を含む): 54347904

約数和(自身を除く): 32981958

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 37, 42, 63, 74, 111, 126, 222, 259, 333, 518, 666, 777, 1554, 2331, 4583, 4662, 9166, 13749, 27498, 32081, 41247, 64162, 82494, 96243, 169571, 192486, 288729, 339142, 508713, 577458, 1017426, 1186997, 1526139, 2373994, 3052278, 3560991, 7121982, 10682973, 21365946]

約数ペア:

[(1, 21365946), (2, 10682973), (3, 7121982), (6, 3560991), (7, 3052278), (9, 2373994), (14, 1526139), (18, 1186997), (21, 1017426), (37, 577458), (42, 508713), (63, 339142), (74, 288729), (111, 192486), (126, 169571), (222, 96243), (259, 82494), (333, 64162), (518, 41247), (666, 32081), (777, 27498), (1554, 13749), (2331, 9166), (4583, 4662)]