21927076

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{7499}}^1$

素因数の和:7563

約数の個数: 24

約数和(自身を含む): 41580000

約数和(自身を除く): 19652924

約数列:

[1, 2, 4, 17, 34, 43, 68, 86, 172, 731, 1462, 2924, 7499, 14998, 29996, 127483, 254966, 322457, 509932, 644914, 1289828, 5481769, 10963538, 21927076]

約数ペア:

[(1, 21927076), (2, 10963538), (4, 5481769), (17, 1289828), (34, 644914), (43, 509932), (68, 322457), (86, 254966), (172, 127483), (731, 29996), (1462, 14998), (2924, 7499)]