21223158

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:122

約数の個数: 96

約数和(自身を含む): 51480576

約数和(自身を除く): 30257418

約数列:

[1, 2, 3, 6, 11, 22, 23, 31, 33, 41, 46, 62, 66, 69, 82, 93, 121, 123, 138, 186, 242, 246, 253, 341, 363, 451, 506, 682, 713, 726, 759, 902, 943, 1023, 1271, 1353, 1426, 1518, 1886, 2046, 2139, 2542, 2706, 2783, 2829, 3751, 3813, 4278, 4961, 5566, 5658, 7502, 7626, 7843, 8349, 9922, 10373, 11253, 13981, 14883, 15686, 16698, 20746, 22506, 23529, 27962, 29233, 29766, 31119, 41943, 47058, 58466, 62238, 83886, 86273, 87699, 114103, 153791, 172546, 175398, 228206, 258819, 307582, 321563, 342309, 461373, 517638, 643126, 684618, 922746, 964689, 1929378, 3537193, 7074386, 10611579, 21223158]

約数ペア:

[(1, 21223158), (2, 10611579), (3, 7074386), (6, 3537193), (11, 1929378), (22, 964689), (23, 922746), (31, 684618), (33, 643126), (41, 517638), (46, 461373), (62, 342309), (66, 321563), (69, 307582), (82, 258819), (93, 228206), (121, 175398), (123, 172546), (138, 153791), (186, 114103), (242, 87699), (246, 86273), (253, 83886), (341, 62238), (363, 58466), (451, 47058), (506, 41943), (682, 31119), (713, 29766), (726, 29233), (759, 27962), (902, 23529), (943, 22506), (1023, 20746), (1271, 16698), (1353, 15686), (1426, 14883), (1518, 13981), (1886, 11253), (2046, 10373), (2139, 9922), (2542, 8349), (2706, 7843), (2783, 7626), (2829, 7502), (3751, 5658), (3813, 5566), (4278, 4961)]