21201024

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:198

約数の個数: 128

約数和(自身を含む): 63060480

約数和(自身を除く): 41859456

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 32, 39, 48, 52, 62, 64, 78, 93, 96, 104, 124, 128, 137, 156, 186, 192, 208, 248, 274, 312, 372, 384, 403, 411, 416, 496, 548, 624, 744, 806, 822, 832, 992, 1096, 1209, 1248, 1488, 1612, 1644, 1664, 1781, 1984, 2192, 2418, 2496, 2976, 3224, 3288, 3562, 3968, 4247, 4384, 4836, 4992, 5343, 5952, 6448, 6576, 7124, 8494, 8768, 9672, 10686, 11904, 12741, 12896, 13152, 14248, 16988, 17536, 19344, 21372, 25482, 25792, 26304, 28496, 33976, 38688, 42744, 50964, 51584, 52608, 55211, 56992, 67952, 77376, 85488, 101928, 110422, 113984, 135904, 154752, 165633, 170976, 203856, 220844, 227968, 271808, 331266, 341952, 407712, 441688, 543616, 662532, 683904, 815424, 883376, 1325064, 1630848, 1766752, 2650128, 3533504, 5300256, 7067008, 10600512, 21201024]

約数ペア:

[(1, 21201024), (2, 10600512), (3, 7067008), (4, 5300256), (6, 3533504), (8, 2650128), (12, 1766752), (13, 1630848), (16, 1325064), (24, 883376), (26, 815424), (31, 683904), (32, 662532), (39, 543616), (48, 441688), (52, 407712), (62, 341952), (64, 331266), (78, 271808), (93, 227968), (96, 220844), (104, 203856), (124, 170976), (128, 165633), (137, 154752), (156, 135904), (186, 113984), (192, 110422), (208, 101928), (248, 85488), (274, 77376), (312, 67952), (372, 56992), (384, 55211), (403, 52608), (411, 51584), (416, 50964), (496, 42744), (548, 38688), (624, 33976), (744, 28496), (806, 26304), (822, 25792), (832, 25482), (992, 21372), (1096, 19344), (1209, 17536), (1248, 16988), (1488, 14248), (1612, 13152), (1644, 12896), (1664, 12741), (1781, 11904), (1984, 10686), (2192, 9672), (2418, 8768), (2496, 8494), (2976, 7124), (3224, 6576), (3288, 6448), (3562, 5952), (3968, 5343), (4247, 4992), (4384, 4836)]