21729704

素因数分解:

$2^3\times {\mathrm{103}}^1\times {\mathrm{26371}}^1$

素因数の和:26480

約数の個数: 16

約数和(自身を含む): 41140320

約数和(自身を除く): 19410616

約数列:

[1, 2, 4, 8, 103, 206, 412, 824, 26371, 52742, 105484, 210968, 2716213, 5432426, 10864852, 21729704]

約数ペア:

[(1, 21729704), (2, 10864852), (4, 5432426), (8, 2716213), (103, 210968), (206, 105484), (412, 52742), (824, 26371)]