21195558

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{51197}}^1$

素因数の和:51228

約数の個数: 24

約数和(自身を含む): 47921328

約数和(自身を除く): 26725770

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 51197, 102394, 153591, 307182, 460773, 921546, 1177531, 2355062, 3532593, 7065186, 10597779, 21195558]

約数ペア:

[(1, 21195558), (2, 10597779), (3, 7065186), (6, 3532593), (9, 2355062), (18, 1177531), (23, 921546), (46, 460773), (69, 307182), (138, 153591), (207, 102394), (414, 51197)]