21294616

素因数分解:

$2^3\times 7^2\times {\mathrm{54323}}^1$

素因数の和:54343

約数の個数: 24

約数和(自身を含む): 46447020

約数和(自身を除く): 25152404

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 54323, 108646, 217292, 380261, 434584, 760522, 1521044, 2661827, 3042088, 5323654, 10647308, 21294616]

約数ペア:

[(1, 21294616), (2, 10647308), (4, 5323654), (7, 3042088), (8, 2661827), (14, 1521044), (28, 760522), (49, 434584), (56, 380261), (98, 217292), (196, 108646), (392, 54323)]