21234177

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{577}}^1$

素因数の和:662

約数の個数: 32

約数和(自身を含む): 33292800

約数和(自身を除く): 12058623

約数列:

[1, 3, 9, 27, 29, 47, 87, 141, 261, 423, 577, 783, 1269, 1363, 1731, 4089, 5193, 12267, 15579, 16733, 27119, 36801, 50199, 81357, 150597, 244071, 451791, 732213, 786451, 2359353, 7078059, 21234177]

約数ペア:

[(1, 21234177), (3, 7078059), (9, 2359353), (27, 786451), (29, 732213), (47, 451791), (87, 244071), (141, 150597), (261, 81357), (423, 50199), (577, 36801), (783, 27119), (1269, 16733), (1363, 15579), (1731, 12267), (4089, 5193)]