21184410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{54319}}^1$

素因数の和:54342

約数の個数: 32

約数和(自身を含む): 54754560

約数和(自身を除く): 33570150

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 54319, 108638, 162957, 271595, 325914, 543190, 706147, 814785, 1412294, 1629570, 2118441, 3530735, 4236882, 7061470, 10592205, 21184410]

約数ペア:

[(1, 21184410), (2, 10592205), (3, 7061470), (5, 4236882), (6, 3530735), (10, 2118441), (13, 1629570), (15, 1412294), (26, 814785), (30, 706147), (39, 543190), (65, 325914), (78, 271595), (130, 162957), (195, 108638), (390, 54319)]