21054194

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{88463}}^1$

素因数の和:88489

約数の個数: 16

約数和(自身を含む): 38216448

約数和(自身を除く): 17162254

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 88463, 176926, 619241, 1238482, 1503871, 3007742, 10527097, 21054194]

約数ペア:

[(1, 21054194), (2, 10527097), (7, 3007742), (14, 1503871), (17, 1238482), (34, 619241), (119, 176926), (238, 88463)]