21208830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{706961}}^1$

素因数の和:706971

約数の個数: 16

約数和(自身を含む): 50901264

約数和(自身を除く): 29692434

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 706961, 1413922, 2120883, 3534805, 4241766, 7069610, 10604415, 21208830]

約数ペア:

[(1, 21208830), (2, 10604415), (3, 7069610), (5, 4241766), (6, 3534805), (10, 2120883), (15, 1413922), (30, 706961)]