21323007

素因数分解:

$3^5\times {\mathrm{47}}^1\times {\mathrm{1867}}^1$

素因数の和:1929

約数の個数: 24

約数和(自身を含む): 32637696

約数和(自身を除く): 11314689

約数列:

[1, 3, 9, 27, 47, 81, 141, 243, 423, 1269, 1867, 3807, 5601, 11421, 16803, 50409, 87749, 151227, 263247, 453681, 789741, 2369223, 7107669, 21323007]

約数ペア:

[(1, 21323007), (3, 7107669), (9, 2369223), (27, 789741), (47, 453681), (81, 263247), (141, 151227), (243, 87749), (423, 50409), (1269, 16803), (1867, 11421), (3807, 5601)]