21000539932

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{4129}}^1\times {\mathrm{41017}}^1$

素因数の和:45181

約数の個数: 24

約数和(自身を含む): 37946572160

約数和(自身を除く): 16946032228

約数列:

[1, 2, 4, 31, 62, 124, 4129, 8258, 16516, 41017, 82034, 127999, 164068, 255998, 511996, 1271527, 2543054, 5086108, 169359193, 338718386, 677436772, 5250134983, 10500269966, 21000539932]

約数ペア:

[(1, 21000539932), (2, 10500269966), (4, 5250134983), (31, 677436772), (62, 338718386), (124, 169359193), (4129, 5086108), (8258, 2543054), (16516, 1271527), (41017, 511996), (82034, 255998), (127999, 164068)]