21459114

素因数分解:

$2^1\times 3^3\times {\mathrm{401}}^1\times {\mathrm{991}}^1$

素因数の和:1403

約数の個数: 32

約数和(自身を含む): 47854080

約数和(自身を除く): 26394966

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 401, 802, 991, 1203, 1982, 2406, 2973, 3609, 5946, 7218, 8919, 10827, 17838, 21654, 26757, 53514, 397391, 794782, 1192173, 2384346, 3576519, 7153038, 10729557, 21459114]

約数ペア:

[(1, 21459114), (2, 10729557), (3, 7153038), (6, 3576519), (9, 2384346), (18, 1192173), (27, 794782), (54, 397391), (401, 53514), (802, 26757), (991, 21654), (1203, 17838), (1982, 10827), (2406, 8919), (2973, 7218), (3609, 5946)]