21309003

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{719}}^1$

素因数の和:851

約数の個数: 24

約数和(自身を含む): 32011200

約数和(自身を除く): 10702197

約数列:

[1, 3, 9, 37, 89, 111, 267, 333, 719, 801, 2157, 3293, 6471, 9879, 26603, 29637, 63991, 79809, 191973, 239427, 575919, 2367667, 7103001, 21309003]

約数ペア:

[(1, 21309003), (3, 7103001), (9, 2367667), (37, 575919), (89, 239427), (111, 191973), (267, 79809), (333, 63991), (719, 29637), (801, 26603), (2157, 9879), (3293, 6471)]