21991639096

素因数分解:

$2^3\times 7^1\times {\mathrm{7951}}^1\times {\mathrm{49391}}^1$

素因数の和:57355

約数の個数: 32

約数和(自身を含む): 47131822080

約数和(自身を除く): 25140182984

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 7951, 15902, 31804, 49391, 55657, 63608, 98782, 111314, 197564, 222628, 345737, 395128, 445256, 691474, 1382948, 2765896, 392707841, 785415682, 1570831364, 2748954887, 3141662728, 5497909774, 10995819548, 21991639096]

約数ペア:

[(1, 21991639096), (2, 10995819548), (4, 5497909774), (7, 3141662728), (8, 2748954887), (14, 1570831364), (28, 785415682), (56, 392707841), (7951, 2765896), (15902, 1382948), (31804, 691474), (49391, 445256), (55657, 395128), (63608, 345737), (98782, 222628), (111314, 197564)]