21289642

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{4049}}^1$

素因数の和:4301

約数の個数: 16

約数和(自身を含む): 34992000

約数和(自身を除く): 13702358

約数列:

[1, 2, 11, 22, 239, 478, 2629, 4049, 5258, 8098, 44539, 89078, 967711, 1935422, 10644821, 21289642]

約数ペア:

[(1, 21289642), (2, 10644821), (11, 1935422), (22, 967711), (239, 89078), (478, 44539), (2629, 8098), (4049, 5258)]