21174056

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{139303}}^1$

素因数の和:139328

約数の個数: 16

約数和(自身を含む): 41791200

約数和(自身を除く): 20617144

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 139303, 278606, 557212, 1114424, 2646757, 5293514, 10587028, 21174056]

約数ペア:

[(1, 21174056), (2, 10587028), (4, 5293514), (8, 2646757), (19, 1114424), (38, 557212), (76, 278606), (152, 139303)]