2219403784

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{21340421}}^1$

素因数の和:21340440

約数の個数: 16

約数和(自身を含む): 4481488620

約数和(自身を除く): 2262084836

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 21340421, 42680842, 85361684, 170723368, 277425473, 554850946, 1109701892, 2219403784]

約数ペア:

[(1, 2219403784), (2, 1109701892), (4, 554850946), (8, 277425473), (13, 170723368), (26, 85361684), (52, 42680842), (104, 21340421)]