21302140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{46309}}^1$

素因数の和:46341

約数の個数: 24

約数和(自身を含む): 46680480

約数和(自身を除く): 25378340

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 46309, 92618, 185236, 231545, 463090, 926180, 1065107, 2130214, 4260428, 5325535, 10651070, 21302140]

約数ペア:

[(1, 21302140), (2, 10651070), (4, 5325535), (5, 4260428), (10, 2130214), (20, 1065107), (23, 926180), (46, 463090), (92, 231545), (115, 185236), (230, 92618), (460, 46309)]