21717198

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{52457}}^1$

素因数の和:52488

約数の個数: 24

約数和(自身を含む): 49100688

約数和(自身を除く): 27383490

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 52457, 104914, 157371, 314742, 472113, 944226, 1206511, 2413022, 3619533, 7239066, 10858599, 21717198]

約数ペア:

[(1, 21717198), (2, 10858599), (3, 7239066), (6, 3619533), (9, 2413022), (18, 1206511), (23, 944226), (46, 472113), (69, 314742), (138, 157371), (207, 104914), (414, 52457)]