21230196

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:201

約数の個数: 96

約数和(自身を含む): 57163008

約数和(自身を除く): 35932812

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 39, 46, 52, 61, 69, 78, 92, 97, 122, 138, 156, 183, 194, 244, 276, 291, 299, 366, 388, 582, 598, 732, 793, 897, 1164, 1196, 1261, 1403, 1586, 1794, 2231, 2379, 2522, 2806, 3172, 3588, 3783, 4209, 4462, 4758, 5044, 5612, 5917, 6693, 7566, 8418, 8924, 9516, 11834, 13386, 15132, 16836, 17751, 18239, 23668, 26772, 29003, 35502, 36478, 54717, 58006, 71004, 72956, 76921, 87009, 109434, 116012, 136091, 153842, 174018, 218868, 230763, 272182, 307684, 348036, 408273, 461526, 544364, 816546, 923052, 1633092, 1769183, 3538366, 5307549, 7076732, 10615098, 21230196]

約数ペア:

[(1, 21230196), (2, 10615098), (3, 7076732), (4, 5307549), (6, 3538366), (12, 1769183), (13, 1633092), (23, 923052), (26, 816546), (39, 544364), (46, 461526), (52, 408273), (61, 348036), (69, 307684), (78, 272182), (92, 230763), (97, 218868), (122, 174018), (138, 153842), (156, 136091), (183, 116012), (194, 109434), (244, 87009), (276, 76921), (291, 72956), (299, 71004), (366, 58006), (388, 54717), (582, 36478), (598, 35502), (732, 29003), (793, 26772), (897, 23668), (1164, 18239), (1196, 17751), (1261, 16836), (1403, 15132), (1586, 13386), (1794, 11834), (2231, 9516), (2379, 8924), (2522, 8418), (2806, 7566), (3172, 6693), (3588, 5917), (3783, 5612), (4209, 5044), (4462, 4758)]