21373130

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{30103}}^1$

素因数の和:30181

約数の個数: 16

約数和(自身を含む): 39014784

約数和(自身を除く): 17641654

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 30103, 60206, 150515, 301030, 2137313, 4274626, 10686565, 21373130]

約数ペア:

[(1, 21373130), (2, 10686565), (5, 4274626), (10, 2137313), (71, 301030), (142, 150515), (355, 60206), (710, 30103)]