21044478

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{38543}}^1$

素因数の和:38568

約数の個数: 32

約数和(自身を含む): 51803136

約数和(自身を除く): 30758658

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273, 546, 38543, 77086, 115629, 231258, 269801, 501059, 539602, 809403, 1002118, 1503177, 1618806, 3006354, 3507413, 7014826, 10522239, 21044478]

約数ペア:

[(1, 21044478), (2, 10522239), (3, 7014826), (6, 3507413), (7, 3006354), (13, 1618806), (14, 1503177), (21, 1002118), (26, 809403), (39, 539602), (42, 501059), (78, 269801), (91, 231258), (182, 115629), (273, 77086), (546, 38543)]