21000836356

素因数分解:

$2^2\times {\mathrm{569}}^1\times {\mathrm{2833}}^1\times {\mathrm{3257}}^1$

素因数の和:6663

約数の個数: 24

約数和(自身を含む): 36840356280

約数和(自身を除く): 15839519924

約数列:

[1, 2, 4, 569, 1138, 2276, 2833, 3257, 5666, 6514, 11332, 13028, 1611977, 1853233, 3223954, 3706466, 6447908, 7412932, 9227081, 18454162, 36908324, 5250209089, 10500418178, 21000836356]

約数ペア:

[(1, 21000836356), (2, 10500418178), (4, 5250209089), (569, 36908324), (1138, 18454162), (2276, 9227081), (2833, 7412932), (3257, 6447908), (5666, 3706466), (6514, 3223954), (11332, 1853233), (13028, 1611977)]