21167809947

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{16691}}^1$

素因数の和:17030

約数の個数: 48

約数和(自身を含む): 33684723072

約数和(自身を除く): 12516913125

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 307, 459, 921, 1377, 2763, 4131, 5219, 8289, 15657, 16691, 24867, 46971, 50073, 74601, 140913, 150219, 283747, 422739, 450657, 851241, 1268217, 1351971, 2553723, 4055913, 5124137, 7661169, 15372411, 22983507, 46117233, 68950521, 87110329, 138351699, 261330987, 415055097, 783992961, 1245165291, 2351978883, 7055936649, 21167809947]

約数ペア:

[(1, 21167809947), (3, 7055936649), (9, 2351978883), (17, 1245165291), (27, 783992961), (51, 415055097), (81, 261330987), (153, 138351699), (243, 87110329), (307, 68950521), (459, 46117233), (921, 22983507), (1377, 15372411), (2763, 7661169), (4131, 5124137), (5219, 4055913), (8289, 2553723), (15657, 1351971), (16691, 1268217), (24867, 851241), (46971, 450657), (50073, 422739), (74601, 283747), (140913, 150219)]