21545440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19237}}^1$

素因数の和:19259

約数の個数: 48

約数和(自身を含む): 58175712

約数和(自身を除く): 36630272

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 19237, 38474, 76948, 96185, 134659, 153896, 192370, 269318, 307792, 384740, 538636, 615584, 673295, 769480, 1077272, 1346590, 1538960, 2154544, 2693180, 3077920, 4309088, 5386360, 10772720, 21545440]

約数ペア:

[(1, 21545440), (2, 10772720), (4, 5386360), (5, 4309088), (7, 3077920), (8, 2693180), (10, 2154544), (14, 1538960), (16, 1346590), (20, 1077272), (28, 769480), (32, 673295), (35, 615584), (40, 538636), (56, 384740), (70, 307792), (80, 269318), (112, 192370), (140, 153896), (160, 134659), (224, 96185), (280, 76948), (560, 38474), (1120, 19237)]