21521736844

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{2273}}^1\times {\mathrm{55049}}^1$

素因数の和:57369

約数の個数: 24

約数和(自身を含む): 38556579600

約数和(自身を除く): 17034842756

約数列:

[1, 2, 4, 43, 86, 172, 2273, 4546, 9092, 55049, 97739, 110098, 195478, 220196, 390956, 2367107, 4734214, 9468428, 125126377, 250252754, 500505508, 5380434211, 10760868422, 21521736844]

約数ペア:

[(1, 21521736844), (2, 10760868422), (4, 5380434211), (43, 500505508), (86, 250252754), (172, 125126377), (2273, 9468428), (4546, 4734214), (9092, 2367107), (55049, 390956), (97739, 220196), (110098, 195478)]