21734290

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1567}}^1$

素因数の和:1666

約数の個数: 32

約数和(自身を含む): 41771520

約数和(自身を除く): 20037230

約数列:

[1, 2, 5, 10, 19, 38, 73, 95, 146, 190, 365, 730, 1387, 1567, 2774, 3134, 6935, 7835, 13870, 15670, 29773, 59546, 114391, 148865, 228782, 297730, 571955, 1143910, 2173429, 4346858, 10867145, 21734290]

約数ペア:

[(1, 21734290), (2, 10867145), (5, 4346858), (10, 2173429), (19, 1143910), (38, 571955), (73, 297730), (95, 228782), (146, 148865), (190, 114391), (365, 59546), (730, 29773), (1387, 15670), (1567, 13870), (2774, 7835), (3134, 6935)]