21086616

素因数分解:

$2^3\times 3^1\times {\mathrm{878609}}^1$

素因数の和:878618

約数の個数: 16

約数和(自身を含む): 52716600

約数和(自身を除く): 31629984

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 878609, 1757218, 2635827, 3514436, 5271654, 7028872, 10543308, 21086616]

約数ペア:

[(1, 21086616), (2, 10543308), (3, 7028872), (4, 5271654), (6, 3514436), (8, 2635827), (12, 1757218), (24, 878609)]