21370008

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1327}}^1$

素因数の和:1408

約数の個数: 64

約数和(自身を含む): 59281920

約数和(自身を除く): 37911912

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 61, 66, 88, 122, 132, 183, 244, 264, 366, 488, 671, 732, 1327, 1342, 1464, 2013, 2654, 2684, 3981, 4026, 5308, 5368, 7962, 8052, 10616, 14597, 15924, 16104, 29194, 31848, 43791, 58388, 80947, 87582, 116776, 161894, 175164, 242841, 323788, 350328, 485682, 647576, 890417, 971364, 1780834, 1942728, 2671251, 3561668, 5342502, 7123336, 10685004, 21370008]

約数ペア:

[(1, 21370008), (2, 10685004), (3, 7123336), (4, 5342502), (6, 3561668), (8, 2671251), (11, 1942728), (12, 1780834), (22, 971364), (24, 890417), (33, 647576), (44, 485682), (61, 350328), (66, 323788), (88, 242841), (122, 175164), (132, 161894), (183, 116776), (244, 87582), (264, 80947), (366, 58388), (488, 43791), (671, 31848), (732, 29194), (1327, 16104), (1342, 15924), (1464, 14597), (2013, 10616), (2654, 8052), (2684, 7962), (3981, 5368), (4026, 5308)]