21036526

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{547}}^1$

素因数の和:664

約数の個数: 32

約数和(自身を含む): 37562112

約数和(自身を除く): 16525586

約数列:

[1, 2, 7, 14, 41, 67, 82, 134, 287, 469, 547, 574, 938, 1094, 2747, 3829, 5494, 7658, 19229, 22427, 36649, 38458, 44854, 73298, 156989, 256543, 313978, 513086, 1502609, 3005218, 10518263, 21036526]

約数ペア:

[(1, 21036526), (2, 10518263), (7, 3005218), (14, 1502609), (41, 513086), (67, 313978), (82, 256543), (134, 156989), (287, 73298), (469, 44854), (547, 38458), (574, 36649), (938, 22427), (1094, 19229), (2747, 7658), (3829, 5494)]