21096916

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{3119}}^1$

素因数の和:3231

約数の個数: 24

約数和(自身を含む): 39312000

約数和(自身を除く): 18215084

約数列:

[1, 2, 4, 19, 38, 76, 89, 178, 356, 1691, 3119, 3382, 6238, 6764, 12476, 59261, 118522, 237044, 277591, 555182, 1110364, 5274229, 10548458, 21096916]

約数ペア:

[(1, 21096916), (2, 10548458), (4, 5274229), (19, 1110364), (38, 555182), (76, 277591), (89, 237044), (178, 118522), (356, 59261), (1691, 12476), (3119, 6764), (3382, 6238)]