21918392

素因数分解:

$2^3\times {\mathrm{79}}^2\times {\mathrm{439}}^1$

素因数の和:603

約数の個数: 24

約数和(自身を含む): 41718600

約数和(自身を除く): 19800208

約数列:

[1, 2, 4, 8, 79, 158, 316, 439, 632, 878, 1756, 3512, 6241, 12482, 24964, 34681, 49928, 69362, 138724, 277448, 2739799, 5479598, 10959196, 21918392]

約数ペア:

[(1, 21918392), (2, 10959196), (4, 5479598), (8, 2739799), (79, 277448), (158, 138724), (316, 69362), (439, 49928), (632, 34681), (878, 24964), (1756, 12482), (3512, 6241)]