21891458

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{14051}}^1$

素因数の和:14113

約数の個数: 16

約数和(自身を含む): 35411040

約数和(自身を除く): 13519582

約数列:

[1, 2, 19, 38, 41, 82, 779, 1558, 14051, 28102, 266969, 533938, 576091, 1152182, 10945729, 21891458]

約数ペア:

[(1, 21891458), (2, 10945729), (19, 1152182), (38, 576091), (41, 533938), (82, 266969), (779, 28102), (1558, 14051)]