21235160

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{27941}}^1$

素因数の和:27971

約数の個数: 32

約数和(自身を含む): 50295600

約数和(自身を除く): 29060440

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 27941, 55882, 111764, 139705, 223528, 279410, 530879, 558820, 1061758, 1117640, 2123516, 2654395, 4247032, 5308790, 10617580, 21235160]

約数ペア:

[(1, 21235160), (2, 10617580), (4, 5308790), (5, 4247032), (8, 2654395), (10, 2123516), (19, 1117640), (20, 1061758), (38, 558820), (40, 530879), (76, 279410), (95, 223528), (152, 139705), (190, 111764), (380, 55882), (760, 27941)]