21562492

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{40531}}^1$

素因数の和:40561

約数の個数: 24

約数和(自身を含む): 45395840

約数和(自身を除く): 23833348

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 40531, 81062, 162124, 283717, 567434, 770089, 1134868, 1540178, 3080356, 5390623, 10781246, 21562492]

約数ペア:

[(1, 21562492), (2, 10781246), (4, 5390623), (7, 3080356), (14, 1540178), (19, 1134868), (28, 770089), (38, 567434), (76, 283717), (133, 162124), (266, 81062), (532, 40531)]