21134840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{27809}}^1$

素因数の和:27839

約数の個数: 32

約数和(自身を含む): 50058000

約数和(自身を除く): 28923160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 27809, 55618, 111236, 139045, 222472, 278090, 528371, 556180, 1056742, 1112360, 2113484, 2641855, 4226968, 5283710, 10567420, 21134840]

約数ペア:

[(1, 21134840), (2, 10567420), (4, 5283710), (5, 4226968), (8, 2641855), (10, 2113484), (19, 1112360), (20, 1056742), (38, 556180), (40, 528371), (76, 278090), (95, 222472), (152, 139045), (190, 111236), (380, 55618), (760, 27809)]