21127830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{3539}}^1$

素因数の和:3748

約数の個数: 32

約数和(自身を含む): 50976000

約数和(自身を除く): 29848170

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 199, 398, 597, 995, 1194, 1990, 2985, 3539, 5970, 7078, 10617, 17695, 21234, 35390, 53085, 106170, 704261, 1408522, 2112783, 3521305, 4225566, 7042610, 10563915, 21127830]

約数ペア:

[(1, 21127830), (2, 10563915), (3, 7042610), (5, 4225566), (6, 3521305), (10, 2112783), (15, 1408522), (30, 704261), (199, 106170), (398, 53085), (597, 35390), (995, 21234), (1194, 17695), (1990, 10617), (2985, 7078), (3539, 5970)]