21474536

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{157901}}^1$

素因数の和:157924

約数の個数: 16

約数和(自身を含む): 42633540

約数和(自身を除く): 21159004

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 157901, 315802, 631604, 1263208, 2684317, 5368634, 10737268, 21474536]

約数ペア:

[(1, 21474536), (2, 10737268), (4, 5368634), (8, 2684317), (17, 1263208), (34, 631604), (68, 315802), (136, 157901)]