21097387648

素因数分解:

$2^7\times {\mathrm{293}}^1\times {\mathrm{562537}}^1$

素因数の和:562844

約数の個数: 32

約数和(自身を含む): 42173473860

約数和(自身を除く): 21076086212

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 293, 586, 1172, 2344, 4688, 9376, 18752, 37504, 562537, 1125074, 2250148, 4500296, 9000592, 18001184, 36002368, 72004736, 164823341, 329646682, 659293364, 1318586728, 2637173456, 5274346912, 10548693824, 21097387648]

約数ペア:

[(1, 21097387648), (2, 10548693824), (4, 5274346912), (8, 2637173456), (16, 1318586728), (32, 659293364), (64, 329646682), (128, 164823341), (293, 72004736), (586, 36002368), (1172, 18001184), (2344, 9000592), (4688, 4500296), (9376, 2250148), (18752, 1125074), (37504, 562537)]