21887778

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{541}}^1\times {\mathrm{613}}^1$

素因数の和:1170

約数の個数: 32

約数和(自身を含む): 47921472

約数和(自身を除く): 26033694

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 541, 613, 1082, 1226, 1623, 1839, 3246, 3678, 5951, 6743, 11902, 13486, 17853, 20229, 35706, 40458, 331633, 663266, 994899, 1989798, 3647963, 7295926, 10943889, 21887778]

約数ペア:

[(1, 21887778), (2, 10943889), (3, 7295926), (6, 3647963), (11, 1989798), (22, 994899), (33, 663266), (66, 331633), (541, 40458), (613, 35706), (1082, 20229), (1226, 17853), (1623, 13486), (1839, 11902), (3246, 6743), (3678, 5951)]