21083355

素因数分解:

$3^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{2647}}^1$

素因数の和:2720

約数の個数: 32

約数和(自身を含む): 38131200

約数和(自身を除く): 17047845

約数列:

[1, 3, 5, 9, 15, 27, 45, 59, 135, 177, 295, 531, 885, 1593, 2647, 2655, 7941, 7965, 13235, 23823, 39705, 71469, 119115, 156173, 357345, 468519, 780865, 1405557, 2342595, 4216671, 7027785, 21083355]

約数ペア:

[(1, 21083355), (3, 7027785), (5, 4216671), (9, 2342595), (15, 1405557), (27, 780865), (45, 468519), (59, 357345), (135, 156173), (177, 119115), (295, 71469), (531, 39705), (885, 23823), (1593, 13235), (2647, 7965), (2655, 7941)]