21875992

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3347}}^1$

素因数の和:3415

約数の個数: 32

約数和(自身を含む): 44193600

約数和(自身を除く): 22317608

約数列:

[1, 2, 4, 8, 19, 38, 43, 76, 86, 152, 172, 344, 817, 1634, 3268, 3347, 6536, 6694, 13388, 26776, 63593, 127186, 143921, 254372, 287842, 508744, 575684, 1151368, 2734499, 5468998, 10937996, 21875992]

約数ペア:

[(1, 21875992), (2, 10937996), (4, 5468998), (8, 2734499), (19, 1151368), (38, 575684), (43, 508744), (76, 287842), (86, 254372), (152, 143921), (172, 127186), (344, 63593), (817, 26776), (1634, 13388), (3268, 6694), (3347, 6536)]