21396634

素因数分解:

$2^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{7043}}^1$

素因数の和:7090

約数の個数: 24

約数和(自身を含む): 38544768

約数和(自身を除く): 17148134

約数列:

[1, 2, 7, 14, 31, 49, 62, 98, 217, 434, 1519, 3038, 7043, 14086, 49301, 98602, 218333, 345107, 436666, 690214, 1528331, 3056662, 10698317, 21396634]

約数ペア:

[(1, 21396634), (2, 10698317), (7, 3056662), (14, 1528331), (31, 690214), (49, 436666), (62, 345107), (98, 218333), (217, 98602), (434, 49301), (1519, 14086), (3038, 7043)]