21200630

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{5209}}^1$

素因数の和:5264

約数の個数: 32

約数和(自身を含む): 42763680

約数和(自身を除く): 21563050

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 110, 185, 370, 407, 814, 2035, 4070, 5209, 10418, 26045, 52090, 57299, 114598, 192733, 286495, 385466, 572990, 963665, 1927330, 2120063, 4240126, 10600315, 21200630]

約数ペア:

[(1, 21200630), (2, 10600315), (5, 4240126), (10, 2120063), (11, 1927330), (22, 963665), (37, 572990), (55, 385466), (74, 286495), (110, 192733), (185, 114598), (370, 57299), (407, 52090), (814, 26045), (2035, 10418), (4070, 5209)]