21476746

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{73}}^1\times {\mathrm{509}}^1$

素因数の和:618

約数の個数: 24

約数和(自身を含む): 34758540

約数和(自身を除く): 13281794

約数列:

[1, 2, 17, 34, 73, 146, 289, 509, 578, 1018, 1241, 2482, 8653, 17306, 21097, 37157, 42194, 74314, 147101, 294202, 631669, 1263338, 10738373, 21476746]

約数ペア:

[(1, 21476746), (2, 10738373), (17, 1263338), (34, 631669), (73, 294202), (146, 147101), (289, 74314), (509, 42194), (578, 37157), (1018, 21097), (1241, 17306), (2482, 8653)]