21062982

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{2531}}^1$

素因数の和:2628

約数の個数: 32

約数和(自身を含む): 44968320

約数和(自身を除く): 23905338

約数列:

[1, 2, 3, 6, 19, 38, 57, 73, 114, 146, 219, 438, 1387, 2531, 2774, 4161, 5062, 7593, 8322, 15186, 48089, 96178, 144267, 184763, 288534, 369526, 554289, 1108578, 3510497, 7020994, 10531491, 21062982]

約数ペア:

[(1, 21062982), (2, 10531491), (3, 7020994), (6, 3510497), (19, 1108578), (38, 554289), (57, 369526), (73, 288534), (114, 184763), (146, 144267), (219, 96178), (438, 48089), (1387, 15186), (2531, 8322), (2774, 7593), (4161, 5062)]