21072516

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{24733}}^1$

素因数の和:24811

約数の個数: 24

約数和(自身を含む): 49863744

約数和(自身を除く): 28791228

約数列:

[1, 2, 3, 4, 6, 12, 71, 142, 213, 284, 426, 852, 24733, 49466, 74199, 98932, 148398, 296796, 1756043, 3512086, 5268129, 7024172, 10536258, 21072516]

約数ペア:

[(1, 21072516), (2, 10536258), (3, 7024172), (4, 5268129), (6, 3512086), (12, 1756043), (71, 296796), (142, 148398), (213, 98932), (284, 74199), (426, 49466), (852, 24733)]