21113990282

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3705509}}^1$

素因数の和:3705566

約数の個数: 32

約数和(自身を含む): 40553101440

約数和(自身を除く): 19439111158

約数列:

[1, 2, 7, 11, 14, 22, 37, 74, 77, 154, 259, 407, 518, 814, 2849, 5698, 3705509, 7411018, 25938563, 40760599, 51877126, 81521198, 137103833, 274207666, 285324193, 570648386, 959726831, 1508142163, 1919453662, 3016284326, 10556995141, 21113990282]

約数ペア:

[(1, 21113990282), (2, 10556995141), (7, 3016284326), (11, 1919453662), (14, 1508142163), (22, 959726831), (37, 570648386), (74, 285324193), (77, 274207666), (154, 137103833), (259, 81521198), (407, 51877126), (518, 40760599), (814, 25938563), (2849, 7411018), (5698, 3705509)]