21332313

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^2$

素因数の和:166

約数の個数: 36

約数和(自身を含む): 33448740

約数和(自身を除く): 12116427

約数列:

[1, 3, 9, 29, 37, 47, 87, 111, 141, 261, 333, 423, 1073, 1363, 1739, 2209, 3219, 4089, 5217, 6627, 9657, 12267, 15651, 19881, 50431, 64061, 81733, 151293, 192183, 245199, 453879, 576549, 735597, 2370257, 7110771, 21332313]

約数ペア:

[(1, 21332313), (3, 7110771), (9, 2370257), (29, 735597), (37, 576549), (47, 453879), (87, 245199), (111, 192183), (141, 151293), (261, 81733), (333, 64061), (423, 50431), (1073, 19881), (1363, 15651), (1739, 12267), (2209, 9657), (3219, 6627), (4089, 5217)]