21734895

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{15923}}^1$

素因数の和:15951

約数の個数: 32

約数和(自身を含む): 42803712

約数和(自身を除く): 21068817

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 15923, 47769, 79615, 111461, 206999, 238845, 334383, 557305, 620997, 1034995, 1448993, 1671915, 3104985, 4346979, 7244965, 21734895]

約数ペア:

[(1, 21734895), (3, 7244965), (5, 4346979), (7, 3104985), (13, 1671915), (15, 1448993), (21, 1034995), (35, 620997), (39, 557305), (65, 334383), (91, 238845), (105, 206999), (195, 111461), (273, 79615), (455, 47769), (1365, 15923)]