21004011392

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{20261}}^1$

素因数の和:20384

約数の個数: 128

約数和(自身を含む): 52081444800

約数和(自身を除く): 31077433408

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 89, 91, 104, 112, 128, 178, 182, 208, 224, 356, 364, 416, 448, 623, 712, 728, 832, 896, 1157, 1246, 1424, 1456, 1664, 2314, 2492, 2848, 2912, 4628, 4984, 5696, 5824, 8099, 9256, 9968, 11392, 11648, 16198, 18512, 19936, 20261, 32396, 37024, 39872, 40522, 64792, 74048, 79744, 81044, 129584, 141827, 148096, 162088, 259168, 263393, 283654, 324176, 518336, 526786, 567308, 648352, 1036672, 1053572, 1134616, 1296704, 1803229, 1843751, 2107144, 2269232, 2593408, 3606458, 3687502, 4214288, 4538464, 7212916, 7375004, 8428576, 9076928, 12622603, 14425832, 14750008, 16857152, 18153856, 23441977, 25245206, 28851664, 29500016, 33714304, 46883954, 50490412, 57703328, 59000032, 93767908, 100980824, 115406656, 118000064, 164093839, 187535816, 201961648, 230813312, 236000128, 328187678, 375071632, 403923296, 656375356, 750143264, 807846592, 1312750712, 1500286528, 1615693184, 2625501424, 3000573056, 5251002848, 10502005696, 21004011392]

約数ペア:

[(1, 21004011392), (2, 10502005696), (4, 5251002848), (7, 3000573056), (8, 2625501424), (13, 1615693184), (14, 1500286528), (16, 1312750712), (26, 807846592), (28, 750143264), (32, 656375356), (52, 403923296), (56, 375071632), (64, 328187678), (89, 236000128), (91, 230813312), (104, 201961648), (112, 187535816), (128, 164093839), (178, 118000064), (182, 115406656), (208, 100980824), (224, 93767908), (356, 59000032), (364, 57703328), (416, 50490412), (448, 46883954), (623, 33714304), (712, 29500016), (728, 28851664), (832, 25245206), (896, 23441977), (1157, 18153856), (1246, 16857152), (1424, 14750008), (1456, 14425832), (1664, 12622603), (2314, 9076928), (2492, 8428576), (2848, 7375004), (2912, 7212916), (4628, 4538464), (4984, 4214288), (5696, 3687502), (5824, 3606458), (8099, 2593408), (9256, 2269232), (9968, 2107144), (11392, 1843751), (11648, 1803229), (16198, 1296704), (18512, 1134616), (19936, 1053572), (20261, 1036672), (32396, 648352), (37024, 567308), (39872, 526786), (40522, 518336), (64792, 324176), (74048, 283654), (79744, 263393), (81044, 259168), (129584, 162088), (141827, 148096)]