21795584

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{4481}}^1$

素因数の和:4516

約数の個数: 36

約数和(自身を含む): 45806040

約数和(自身を除く): 24010456

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 608, 1216, 2432, 4481, 4864, 8962, 17924, 35848, 71696, 85139, 143392, 170278, 286784, 340556, 573568, 681112, 1147136, 1362224, 2724448, 5448896, 10897792, 21795584]

約数ペア:

[(1, 21795584), (2, 10897792), (4, 5448896), (8, 2724448), (16, 1362224), (19, 1147136), (32, 681112), (38, 573568), (64, 340556), (76, 286784), (128, 170278), (152, 143392), (256, 85139), (304, 71696), (608, 35848), (1216, 17924), (2432, 8962), (4481, 4864)]