21216075904

素因数分解:

$2^7\times {\mathrm{97}}^1\times {\mathrm{1708769}}^1$

素因数の和:1708880

約数の個数: 32

約数和(自身を含む): 42702162300

約数和(自身を除く): 21486086396

約数列:

[1, 2, 4, 8, 16, 32, 64, 97, 128, 194, 388, 776, 1552, 3104, 6208, 12416, 1708769, 3417538, 6835076, 13670152, 27340304, 54680608, 109361216, 165750593, 218722432, 331501186, 663002372, 1326004744, 2652009488, 5304018976, 10608037952, 21216075904]

約数ペア:

[(1, 21216075904), (2, 10608037952), (4, 5304018976), (8, 2652009488), (16, 1326004744), (32, 663002372), (64, 331501186), (97, 218722432), (128, 165750593), (194, 109361216), (388, 54680608), (776, 27340304), (1552, 13670152), (3104, 6835076), (6208, 3417538), (12416, 1708769)]