21638454

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{2833}}^1$

素因数の和:2924

約数の個数: 32

約数和(自身を含む): 46250880

約数和(自身を除く): 24612426

約数列:

[1, 2, 3, 6, 19, 38, 57, 67, 114, 134, 201, 402, 1273, 2546, 2833, 3819, 5666, 7638, 8499, 16998, 53827, 107654, 161481, 189811, 322962, 379622, 569433, 1138866, 3606409, 7212818, 10819227, 21638454]

約数ペア:

[(1, 21638454), (2, 10819227), (3, 7212818), (6, 3606409), (19, 1138866), (38, 569433), (57, 379622), (67, 322962), (114, 189811), (134, 161481), (201, 107654), (402, 53827), (1273, 16998), (2546, 8499), (2833, 7638), (3819, 5666)]