21080494088

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{1031}}^1\times {\mathrm{150343}}^1$

素因数の和:151397

約数の個数: 32

約数和(自身を含む): 41891852160

約数和(自身を除く): 20811358072

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 1031, 2062, 4124, 8248, 17527, 35054, 70108, 140216, 150343, 300686, 601372, 1202744, 2555831, 5111662, 10223324, 20446648, 155003633, 310007266, 620014532, 1240029064, 2635061761, 5270123522, 10540247044, 21080494088]

約数ペア:

[(1, 21080494088), (2, 10540247044), (4, 5270123522), (8, 2635061761), (17, 1240029064), (34, 620014532), (68, 310007266), (136, 155003633), (1031, 20446648), (2062, 10223324), (4124, 5111662), (8248, 2555831), (17527, 1202744), (35054, 601372), (70108, 300686), (140216, 150343)]