21910790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{11717}}^1$

素因数の和:11752

約数の個数: 32

約数和(自身を含む): 45559584

約数和(自身を除く): 23648794

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 374, 935, 1870, 11717, 23434, 58585, 117170, 128887, 199189, 257774, 398378, 644435, 995945, 1288870, 1991890, 2191079, 4382158, 10955395, 21910790]

約数ペア:

[(1, 21910790), (2, 10955395), (5, 4382158), (10, 2191079), (11, 1991890), (17, 1288870), (22, 995945), (34, 644435), (55, 398378), (85, 257774), (110, 199189), (170, 128887), (187, 117170), (374, 58585), (935, 23434), (1870, 11717)]