21059190

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{25999}}^1$

素因数の和:26018

約数の個数: 40

約数和(自身を含む): 56628000

約数和(自身を除く): 35568810

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 25999, 51998, 77997, 129995, 155994, 233991, 259990, 389985, 467982, 701973, 779970, 1169955, 1403946, 2105919, 2339910, 3509865, 4211838, 7019730, 10529595, 21059190]

約数ペア:

[(1, 21059190), (2, 10529595), (3, 7019730), (5, 4211838), (6, 3509865), (9, 2339910), (10, 2105919), (15, 1403946), (18, 1169955), (27, 779970), (30, 701973), (45, 467982), (54, 389985), (81, 259990), (90, 233991), (135, 155994), (162, 129995), (270, 77997), (405, 51998), (810, 25999)]