21142096

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{503}}^1$

素因数の和:619

約数の個数: 40

約数和(自身を含む): 42747264

約数和(自身を除く): 21605168

約数列:

[1, 2, 4, 8, 16, 37, 71, 74, 142, 148, 284, 296, 503, 568, 592, 1006, 1136, 2012, 2627, 4024, 5254, 8048, 10508, 18611, 21016, 35713, 37222, 42032, 71426, 74444, 142852, 148888, 285704, 297776, 571408, 1321381, 2642762, 5285524, 10571048, 21142096]

約数ペア:

[(1, 21142096), (2, 10571048), (4, 5285524), (8, 2642762), (16, 1321381), (37, 571408), (71, 297776), (74, 285704), (142, 148888), (148, 142852), (284, 74444), (296, 71426), (503, 42032), (568, 37222), (592, 35713), (1006, 21016), (1136, 18611), (2012, 10508), (2627, 8048), (4024, 5254)]