21234836

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{6373}}^1$

素因数の和:6408

約数の個数: 36

約数和(自身を含む): 45778068

約数和(自身を除く): 24543232

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 68, 98, 119, 196, 238, 476, 833, 1666, 3332, 6373, 12746, 25492, 44611, 89222, 108341, 178444, 216682, 312277, 433364, 624554, 758387, 1249108, 1516774, 3033548, 5308709, 10617418, 21234836]

約数ペア:

[(1, 21234836), (2, 10617418), (4, 5308709), (7, 3033548), (14, 1516774), (17, 1249108), (28, 758387), (34, 624554), (49, 433364), (68, 312277), (98, 216682), (119, 178444), (196, 108341), (238, 89222), (476, 44611), (833, 25492), (1666, 12746), (3332, 6373)]