21083672

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{155027}}^1$

素因数の和:155050

約数の個数: 16

約数和(自身を含む): 41857560

約数和(自身を除く): 20773888

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 155027, 310054, 620108, 1240216, 2635459, 5270918, 10541836, 21083672]

約数ペア:

[(1, 21083672), (2, 10541836), (4, 5270918), (8, 2635459), (17, 1240216), (34, 620108), (68, 310054), (136, 155027)]