21293432

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{64919}}^1$

素因数の和:64966

約数の個数: 16

約数和(自身を含む): 40899600

約数和(自身を除く): 19606168

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 64919, 129838, 259676, 519352, 2661679, 5323358, 10646716, 21293432]

約数ペア:

[(1, 21293432), (2, 10646716), (4, 5323358), (8, 2661679), (41, 519352), (82, 259676), (164, 129838), (328, 64919)]