21675920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{38707}}^1$

素因数の和:38727

約数の個数: 40

約数和(自身を含む): 57597504

約数和(自身を除く): 35921584

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 38707, 77414, 154828, 193535, 270949, 309656, 387070, 541898, 619312, 774140, 1083796, 1354745, 1548280, 2167592, 2709490, 3096560, 4335184, 5418980, 10837960, 21675920]

約数ペア:

[(1, 21675920), (2, 10837960), (4, 5418980), (5, 4335184), (7, 3096560), (8, 2709490), (10, 2167592), (14, 1548280), (16, 1354745), (20, 1083796), (28, 774140), (35, 619312), (40, 541898), (56, 387070), (70, 309656), (80, 270949), (112, 193535), (140, 154828), (280, 77414), (560, 38707)]