21786474

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{3359}}^1$

素因数の和:3434

約数の個数: 32

約数和(自身を含む): 46448640

約数和(自身を除く): 24662166

約数列:

[1, 2, 3, 6, 23, 46, 47, 69, 94, 138, 141, 282, 1081, 2162, 3243, 3359, 6486, 6718, 10077, 20154, 77257, 154514, 157873, 231771, 315746, 463542, 473619, 947238, 3631079, 7262158, 10893237, 21786474]

約数ペア:

[(1, 21786474), (2, 10893237), (3, 7262158), (6, 3631079), (23, 947238), (46, 473619), (47, 463542), (69, 315746), (94, 231771), (138, 157873), (141, 154514), (282, 77257), (1081, 20154), (2162, 10077), (3243, 6718), (3359, 6486)]