21454676

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{3823}}^1$

素因数の和:3911

約数の個数: 24

約数和(自身を含む): 39830784

約数和(自身を除く): 18376108

約数列:

[1, 2, 4, 23, 46, 61, 92, 122, 244, 1403, 2806, 3823, 5612, 7646, 15292, 87929, 175858, 233203, 351716, 466406, 932812, 5363669, 10727338, 21454676]

約数ペア:

[(1, 21454676), (2, 10727338), (4, 5363669), (23, 932812), (46, 466406), (61, 351716), (92, 233203), (122, 175858), (244, 87929), (1403, 15292), (2806, 7646), (3823, 5612)]