21668328

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{251}}^1$

素因数の和:383

約数の個数: 96

約数和(自身を含む): 64864800

約数和(自身を除く): 43196472

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 109, 132, 198, 218, 251, 264, 327, 396, 436, 502, 654, 753, 792, 872, 981, 1004, 1199, 1308, 1506, 1962, 2008, 2259, 2398, 2616, 2761, 3012, 3597, 3924, 4518, 4796, 5522, 6024, 7194, 7848, 8283, 9036, 9592, 10791, 11044, 14388, 16566, 18072, 21582, 22088, 24849, 27359, 28776, 33132, 43164, 49698, 54718, 66264, 82077, 86328, 99396, 109436, 164154, 198792, 218872, 246231, 300949, 328308, 492462, 601898, 656616, 902847, 984924, 1203796, 1805694, 1969848, 2407592, 2708541, 3611388, 5417082, 7222776, 10834164, 21668328]

約数ペア:

[(1, 21668328), (2, 10834164), (3, 7222776), (4, 5417082), (6, 3611388), (8, 2708541), (9, 2407592), (11, 1969848), (12, 1805694), (18, 1203796), (22, 984924), (24, 902847), (33, 656616), (36, 601898), (44, 492462), (66, 328308), (72, 300949), (88, 246231), (99, 218872), (109, 198792), (132, 164154), (198, 109436), (218, 99396), (251, 86328), (264, 82077), (327, 66264), (396, 54718), (436, 49698), (502, 43164), (654, 33132), (753, 28776), (792, 27359), (872, 24849), (981, 22088), (1004, 21582), (1199, 18072), (1308, 16566), (1506, 14388), (1962, 11044), (2008, 10791), (2259, 9592), (2398, 9036), (2616, 8283), (2761, 7848), (3012, 7194), (3597, 6024), (3924, 5522), (4518, 4796)]