21051738

素因数分解:

$2^1\times 3^4\times {\mathrm{29}}^1\times {\mathrm{4481}}^1$

素因数の和:4524

約数の個数: 40

約数和(自身を含む): 48808980

約数和(自身を除く): 27757242

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 54, 58, 81, 87, 162, 174, 261, 522, 783, 1566, 2349, 4481, 4698, 8962, 13443, 26886, 40329, 80658, 120987, 129949, 241974, 259898, 362961, 389847, 725922, 779694, 1169541, 2339082, 3508623, 7017246, 10525869, 21051738]

約数ペア:

[(1, 21051738), (2, 10525869), (3, 7017246), (6, 3508623), (9, 2339082), (18, 1169541), (27, 779694), (29, 725922), (54, 389847), (58, 362961), (81, 259898), (87, 241974), (162, 129949), (174, 120987), (261, 80658), (522, 40329), (783, 26886), (1566, 13443), (2349, 8962), (4481, 4698)]