21005136

素因数分解:

$2^4\times 3^3\times {\mathrm{48623}}^1$

素因数の和:48640

約数の個数: 40

約数和(自身を含む): 60293760

約数和(自身を除く): 39288624

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432, 48623, 97246, 145869, 194492, 291738, 388984, 437607, 583476, 777968, 875214, 1166952, 1312821, 1750428, 2333904, 2625642, 3500856, 5251284, 7001712, 10502568, 21005136]

約数ペア:

[(1, 21005136), (2, 10502568), (3, 7001712), (4, 5251284), (6, 3500856), (8, 2625642), (9, 2333904), (12, 1750428), (16, 1312821), (18, 1166952), (24, 875214), (27, 777968), (36, 583476), (48, 437607), (54, 388984), (72, 291738), (108, 194492), (144, 145869), (216, 97246), (432, 48623)]