21573453

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{103}}^1\times {\mathrm{577}}^1$

素因数の和:705

約数の個数: 24

約数和(自身を含む): 31979584

約数和(自身を除く): 10406131

約数列:

[1, 3, 11, 33, 103, 121, 309, 363, 577, 1133, 1731, 3399, 6347, 12463, 19041, 37389, 59431, 69817, 178293, 209451, 653741, 1961223, 7191151, 21573453]

約数ペア:

[(1, 21573453), (3, 7191151), (11, 1961223), (33, 653741), (103, 209451), (121, 178293), (309, 69817), (363, 59431), (577, 37389), (1133, 19041), (1731, 12463), (3399, 6347)]