21587632

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{709}}^1$

素因数の和:901

約数の個数: 40

約数和(自身を含む): 45956880

約数和(自身を除く): 24369248

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 173, 176, 346, 692, 709, 1384, 1418, 1903, 2768, 2836, 3806, 5672, 7612, 7799, 11344, 15224, 15598, 30448, 31196, 62392, 122657, 124784, 245314, 490628, 981256, 1349227, 1962512, 2698454, 5396908, 10793816, 21587632]

約数ペア:

[(1, 21587632), (2, 10793816), (4, 5396908), (8, 2698454), (11, 1962512), (16, 1349227), (22, 981256), (44, 490628), (88, 245314), (173, 124784), (176, 122657), (346, 62392), (692, 31196), (709, 30448), (1384, 15598), (1418, 15224), (1903, 11344), (2768, 7799), (2836, 7612), (3806, 5672)]