21508733253

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{283}}^1\times {\mathrm{124799}}^1$

素因数の和:125121

約数の個数: 32

約数和(自身を含む): 34025472000

約数和(自身を除く): 12516738747

約数列:

[1, 3, 7, 21, 29, 87, 203, 283, 609, 849, 1981, 5943, 8207, 24621, 57449, 124799, 172347, 374397, 873593, 2620779, 3619171, 10857513, 25334197, 35318117, 76002591, 105954351, 247226819, 741680457, 1024225393, 3072676179, 7169577751, 21508733253]

約数ペア:

[(1, 21508733253), (3, 7169577751), (7, 3072676179), (21, 1024225393), (29, 741680457), (87, 247226819), (203, 105954351), (283, 76002591), (609, 35318117), (849, 25334197), (1981, 10857513), (5943, 3619171), (8207, 2620779), (24621, 873593), (57449, 374397), (124799, 172347)]