21364436

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{2579}}^1$

素因数の和:2711

約数の個数: 24

約数和(自身を含む): 39732000

約数和(自身を除く): 18367564

約数列:

[1, 2, 4, 19, 38, 76, 109, 218, 436, 2071, 2579, 4142, 5158, 8284, 10316, 49001, 98002, 196004, 281111, 562222, 1124444, 5341109, 10682218, 21364436]

約数ペア:

[(1, 21364436), (2, 10682218), (4, 5341109), (19, 1124444), (38, 562222), (76, 281111), (109, 196004), (218, 98002), (436, 49001), (2071, 10316), (2579, 8284), (4142, 5158)]