21957040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{39209}}^1$

素因数の和:39229

約数の個数: 40

約数和(自身を含む): 58344480

約数和(自身を除く): 36387440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 39209, 78418, 156836, 196045, 274463, 313672, 392090, 548926, 627344, 784180, 1097852, 1372315, 1568360, 2195704, 2744630, 3136720, 4391408, 5489260, 10978520, 21957040]

約数ペア:

[(1, 21957040), (2, 10978520), (4, 5489260), (5, 4391408), (7, 3136720), (8, 2744630), (10, 2195704), (14, 1568360), (16, 1372315), (20, 1097852), (28, 784180), (35, 627344), (40, 548926), (56, 392090), (70, 313672), (80, 274463), (112, 196045), (140, 156836), (280, 78418), (560, 39209)]