21709616

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{18587}}^1$

素因数の和:18668

約数の個数: 20

約数和(自身を含む): 42640872

約数和(自身を除く): 20931256

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 18587, 37174, 74348, 148696, 297392, 1356851, 2713702, 5427404, 10854808, 21709616]

約数ペア:

[(1, 21709616), (2, 10854808), (4, 5427404), (8, 2713702), (16, 1356851), (73, 297392), (146, 148696), (292, 74348), (584, 37174), (1168, 18587)]