21197052

素因数分解:

$2^2\times 3^4\times {\mathrm{65423}}^1$

素因数の和:65439

約数の個数: 30

約数和(自身を含む): 55414128

約数和(自身を除く): 34217076

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 65423, 130846, 196269, 261692, 392538, 588807, 785076, 1177614, 1766421, 2355228, 3532842, 5299263, 7065684, 10598526, 21197052]

約数ペア:

[(1, 21197052), (2, 10598526), (3, 7065684), (4, 5299263), (6, 3532842), (9, 2355228), (12, 1766421), (18, 1177614), (27, 785076), (36, 588807), (54, 392538), (81, 261692), (108, 196269), (162, 130846), (324, 65423)]