21238284

素因数分解:

$2^2\times 3^1\times {\mathrm{331}}^1\times {\mathrm{5347}}^1$

素因数の和:5685

約数の個数: 24

約数和(自身を含む): 49715008

約数和(自身を除く): 28476724

約数列:

[1, 2, 3, 4, 6, 12, 331, 662, 993, 1324, 1986, 3972, 5347, 10694, 16041, 21388, 32082, 64164, 1769857, 3539714, 5309571, 7079428, 10619142, 21238284]

約数ペア:

[(1, 21238284), (2, 10619142), (3, 7079428), (4, 5309571), (6, 3539714), (12, 1769857), (331, 64164), (662, 32082), (993, 21388), (1324, 16041), (1986, 10694), (3972, 5347)]