21141440

素因数分解:

$2^6\times 5^1\times {\mathrm{66067}}^1$

素因数の和:66084

約数の個数: 28

約数和(自身を含む): 50343816

約数和(自身を除く): 29202376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 66067, 132134, 264268, 330335, 528536, 660670, 1057072, 1321340, 2114144, 2642680, 4228288, 5285360, 10570720, 21141440]

約数ペア:

[(1, 21141440), (2, 10570720), (4, 5285360), (5, 4228288), (8, 2642680), (10, 2114144), (16, 1321340), (20, 1057072), (32, 660670), (40, 528536), (64, 330335), (80, 264268), (160, 132134), (320, 66067)]