21684624

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:133

約数の個数: 160

約数和(自身を含む): 66662400

約数和(自身を除く): 44977776

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 31, 38, 39, 48, 52, 57, 59, 62, 76, 78, 93, 104, 114, 118, 124, 152, 156, 177, 186, 208, 228, 236, 247, 248, 304, 312, 354, 372, 403, 456, 472, 494, 496, 589, 624, 708, 741, 744, 767, 806, 912, 944, 988, 1121, 1178, 1209, 1416, 1482, 1488, 1534, 1612, 1767, 1829, 1976, 2242, 2301, 2356, 2418, 2832, 2964, 3068, 3224, 3363, 3534, 3658, 3952, 4484, 4602, 4712, 4836, 5487, 5928, 6136, 6448, 6726, 7068, 7316, 7657, 8968, 9204, 9424, 9672, 10974, 11856, 12272, 13452, 14136, 14573, 14632, 15314, 17936, 18408, 19344, 21948, 22971, 23777, 26904, 28272, 29146, 29264, 30628, 34751, 36816, 43719, 43896, 45942, 47554, 53808, 58292, 61256, 69502, 71331, 87438, 87792, 91884, 95108, 104253, 116584, 122512, 139004, 142662, 174876, 183768, 190216, 208506, 233168, 278008, 285324, 349752, 367536, 380432, 417012, 451763, 556016, 570648, 699504, 834024, 903526, 1141296, 1355289, 1668048, 1807052, 2710578, 3614104, 5421156, 7228208, 10842312, 21684624]

約数ペア:

[(1, 21684624), (2, 10842312), (3, 7228208), (4, 5421156), (6, 3614104), (8, 2710578), (12, 1807052), (13, 1668048), (16, 1355289), (19, 1141296), (24, 903526), (26, 834024), (31, 699504), (38, 570648), (39, 556016), (48, 451763), (52, 417012), (57, 380432), (59, 367536), (62, 349752), (76, 285324), (78, 278008), (93, 233168), (104, 208506), (114, 190216), (118, 183768), (124, 174876), (152, 142662), (156, 139004), (177, 122512), (186, 116584), (208, 104253), (228, 95108), (236, 91884), (247, 87792), (248, 87438), (304, 71331), (312, 69502), (354, 61256), (372, 58292), (403, 53808), (456, 47554), (472, 45942), (494, 43896), (496, 43719), (589, 36816), (624, 34751), (708, 30628), (741, 29264), (744, 29146), (767, 28272), (806, 26904), (912, 23777), (944, 22971), (988, 21948), (1121, 19344), (1178, 18408), (1209, 17936), (1416, 15314), (1482, 14632), (1488, 14573), (1534, 14136), (1612, 13452), (1767, 12272), (1829, 11856), (1976, 10974), (2242, 9672), (2301, 9424), (2356, 9204), (2418, 8968), (2832, 7657), (2964, 7316), (3068, 7068), (3224, 6726), (3363, 6448), (3534, 6136), (3658, 5928), (3952, 5487), (4484, 4836), (4602, 4712)]