21304590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{4703}}^1$

素因数の和:4864

約数の個数: 32

約数和(自身を含む): 51480576

約数和(自身を除く): 30175986

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 151, 302, 453, 755, 906, 1510, 2265, 4530, 4703, 9406, 14109, 23515, 28218, 47030, 70545, 141090, 710153, 1420306, 2130459, 3550765, 4260918, 7101530, 10652295, 21304590]

約数ペア:

[(1, 21304590), (2, 10652295), (3, 7101530), (5, 4260918), (6, 3550765), (10, 2130459), (15, 1420306), (30, 710153), (151, 141090), (302, 70545), (453, 47030), (755, 28218), (906, 23515), (1510, 14109), (2265, 9406), (4530, 4703)]