21203008

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{10687}}^1$

素因数の和:10730

約数の個数: 28

約数和(自身を含む): 43436032

約数和(自身を除く): 22233024

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 496, 992, 1984, 10687, 21374, 42748, 85496, 170992, 331297, 341984, 662594, 683968, 1325188, 2650376, 5300752, 10601504, 21203008]

約数ペア:

[(1, 21203008), (2, 10601504), (4, 5300752), (8, 2650376), (16, 1325188), (31, 683968), (32, 662594), (62, 341984), (64, 331297), (124, 170992), (248, 85496), (496, 42748), (992, 21374), (1984, 10687)]