21528038

素因数分解:

$2^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{389}}^1$

素因数の和:524

約数の個数: 32

約数和(自身を含む): 38188800

約数和(自身を除く): 16660762

約数列:

[1, 2, 7, 14, 59, 67, 118, 134, 389, 413, 469, 778, 826, 938, 2723, 3953, 5446, 7906, 22951, 26063, 27671, 45902, 52126, 55342, 160657, 182441, 321314, 364882, 1537717, 3075434, 10764019, 21528038]

約数ペア:

[(1, 21528038), (2, 10764019), (7, 3075434), (14, 1537717), (59, 364882), (67, 321314), (118, 182441), (134, 160657), (389, 55342), (413, 52126), (469, 45902), (778, 27671), (826, 26063), (938, 22951), (2723, 7906), (3953, 5446)]