21098678588

素因数分解:

$2^2\times {\mathrm{13}}^3\times {\mathrm{2400851}}^1$

素因数の和:2400894

約数の個数: 24

約数和(自身を含む): 39998194320

約数和(自身を除く): 18899515732

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 2197, 4394, 8788, 2400851, 4801702, 9603404, 31211063, 62422126, 124844252, 405743819, 811487638, 1622975276, 5274669647, 10549339294, 21098678588]

約数ペア:

[(1, 21098678588), (2, 10549339294), (4, 5274669647), (13, 1622975276), (26, 811487638), (52, 405743819), (169, 124844252), (338, 62422126), (676, 31211063), (2197, 9603404), (4394, 4801702), (8788, 2400851)]