21358554

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{3413}}^1$

素因数の和:3574

約数の個数: 32

約数和(自身を含む): 49161600

約数和(自身を除く): 27803046

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 149, 298, 447, 894, 1043, 2086, 3129, 3413, 6258, 6826, 10239, 20478, 23891, 47782, 71673, 143346, 508537, 1017074, 1525611, 3051222, 3559759, 7119518, 10679277, 21358554]

約数ペア:

[(1, 21358554), (2, 10679277), (3, 7119518), (6, 3559759), (7, 3051222), (14, 1525611), (21, 1017074), (42, 508537), (149, 143346), (298, 71673), (447, 47782), (894, 23891), (1043, 20478), (2086, 10239), (3129, 6826), (3413, 6258)]