21940236

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:271

約数の個数: 72

約数和(自身を含む): 57503264

約数和(自身を除く): 35563028

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 97, 103, 122, 183, 194, 206, 244, 291, 309, 366, 388, 412, 549, 582, 618, 732, 873, 927, 1098, 1164, 1236, 1746, 1854, 2196, 3492, 3708, 5917, 6283, 9991, 11834, 12566, 17751, 18849, 19982, 23668, 25132, 29973, 35502, 37698, 39964, 53253, 56547, 59946, 71004, 75396, 89919, 106506, 113094, 119892, 179838, 213012, 226188, 359676, 609451, 1218902, 1828353, 2437804, 3656706, 5485059, 7313412, 10970118, 21940236]

約数ペア:

[(1, 21940236), (2, 10970118), (3, 7313412), (4, 5485059), (6, 3656706), (9, 2437804), (12, 1828353), (18, 1218902), (36, 609451), (61, 359676), (97, 226188), (103, 213012), (122, 179838), (183, 119892), (194, 113094), (206, 106506), (244, 89919), (291, 75396), (309, 71004), (366, 59946), (388, 56547), (412, 53253), (549, 39964), (582, 37698), (618, 35502), (732, 29973), (873, 25132), (927, 23668), (1098, 19982), (1164, 18849), (1236, 17751), (1746, 12566), (1854, 11834), (2196, 9991), (3492, 6283), (3708, 5917)]