21734517

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2647}}^1$

素因数の和:2697

約数の個数: 32

約数和(自身を含む): 36605952

約数和(自身を除く): 14871435

約数列:

[1, 3, 7, 17, 21, 23, 51, 69, 119, 161, 357, 391, 483, 1173, 2647, 2737, 7941, 8211, 18529, 44999, 55587, 60881, 134997, 182643, 314993, 426167, 944979, 1034977, 1278501, 3104931, 7244839, 21734517]

約数ペア:

[(1, 21734517), (3, 7244839), (7, 3104931), (17, 1278501), (21, 1034977), (23, 944979), (51, 426167), (69, 314993), (119, 182643), (161, 134997), (357, 60881), (391, 55587), (483, 44999), (1173, 18529), (2647, 8211), (2737, 7941)]