21423438

素因数分解:

$2^1\times 3^2\times {\mathrm{991}}^1\times {\mathrm{1201}}^1$

素因数の和:2200

約数の個数: 24

約数和(自身を含む): 46502976

約数和(自身を除く): 25079538

約数列:

[1, 2, 3, 6, 9, 18, 991, 1201, 1982, 2402, 2973, 3603, 5946, 7206, 8919, 10809, 17838, 21618, 1190191, 2380382, 3570573, 7141146, 10711719, 21423438]

約数ペア:

[(1, 21423438), (2, 10711719), (3, 7141146), (6, 3570573), (9, 2380382), (18, 1190191), (991, 21618), (1201, 17838), (1982, 10809), (2402, 8919), (2973, 7206), (3603, 5946)]