21654468

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{367}}^1$

素因数の和:537

約数の個数: 72

約数和(自身を含む): 60278400

約数和(自身を除く): 38623932

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 149, 198, 298, 367, 396, 447, 596, 734, 894, 1101, 1341, 1468, 1639, 1788, 2202, 2682, 3278, 3303, 4037, 4404, 4917, 5364, 6556, 6606, 8074, 9834, 12111, 13212, 14751, 16148, 19668, 24222, 29502, 36333, 48444, 54683, 59004, 72666, 109366, 145332, 164049, 218732, 328098, 492147, 601513, 656196, 984294, 1203026, 1804539, 1968588, 2406052, 3609078, 5413617, 7218156, 10827234, 21654468]

約数ペア:

[(1, 21654468), (2, 10827234), (3, 7218156), (4, 5413617), (6, 3609078), (9, 2406052), (11, 1968588), (12, 1804539), (18, 1203026), (22, 984294), (33, 656196), (36, 601513), (44, 492147), (66, 328098), (99, 218732), (132, 164049), (149, 145332), (198, 109366), (298, 72666), (367, 59004), (396, 54683), (447, 48444), (596, 36333), (734, 29502), (894, 24222), (1101, 19668), (1341, 16148), (1468, 14751), (1639, 13212), (1788, 12111), (2202, 9834), (2682, 8074), (3278, 6606), (3303, 6556), (4037, 5364), (4404, 4917)]