21743710

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{70141}}^1$

素因数の和:70179

約数の個数: 16

約数和(自身を含む): 40401792

約数和(自身を除く): 18658082

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 70141, 140282, 350705, 701410, 2174371, 4348742, 10871855, 21743710]

約数ペア:

[(1, 21743710), (2, 10871855), (5, 4348742), (10, 2174371), (31, 701410), (62, 350705), (155, 140282), (310, 70141)]