21374896

素因数分解:

$2^4\times {\mathrm{479}}^1\times {\mathrm{2789}}^1$

素因数の和:3276

約数の個数: 20

約数和(自身を含む): 41515200

約数和(自身を除く): 20140304

約数列:

[1, 2, 4, 8, 16, 479, 958, 1916, 2789, 3832, 5578, 7664, 11156, 22312, 44624, 1335931, 2671862, 5343724, 10687448, 21374896]

約数ペア:

[(1, 21374896), (2, 10687448), (4, 5343724), (8, 2671862), (16, 1335931), (479, 44624), (958, 22312), (1916, 11156), (2789, 7664), (3832, 5578)]