21935151

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{6827}}^1$

素因数の和:6860

約数の個数: 32

約数和(自身を含む): 39329280

約数和(自身を除く): 17394129

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 119, 153, 189, 357, 459, 1071, 3213, 6827, 20481, 47789, 61443, 116059, 143367, 184329, 348177, 430101, 812413, 1044531, 1290303, 2437239, 3133593, 7311717, 21935151]

約数ペア:

[(1, 21935151), (3, 7311717), (7, 3133593), (9, 2437239), (17, 1290303), (21, 1044531), (27, 812413), (51, 430101), (63, 348177), (119, 184329), (153, 143367), (189, 116059), (357, 61443), (459, 47789), (1071, 20481), (3213, 6827)]