21388129152

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{225499}}^1$

素因数の和:225548

約数の個数: 128

約数和(自身を含む): 64402800000

約数和(自身を除く): 43014670848

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 32, 38, 39, 48, 52, 57, 64, 76, 78, 96, 104, 114, 128, 152, 156, 192, 208, 228, 247, 304, 312, 384, 416, 456, 494, 608, 624, 741, 832, 912, 988, 1216, 1248, 1482, 1664, 1824, 1976, 2432, 2496, 2964, 3648, 3952, 4992, 5928, 7296, 7904, 11856, 15808, 23712, 31616, 47424, 94848, 225499, 450998, 676497, 901996, 1352994, 1803992, 2705988, 2931487, 3607984, 4284481, 5411976, 5862974, 7215968, 8568962, 8794461, 10823952, 11725948, 12853443, 14431936, 17137924, 17588922, 21647904, 23451896, 25706886, 28863872, 34275848, 35177844, 43295808, 46903792, 51413772, 55698253, 68551696, 70355688, 86591616, 93807584, 102827544, 111396506, 137103392, 140711376, 167094759, 187615168, 205655088, 222793012, 274206784, 281422752, 334189518, 375230336, 411310176, 445586024, 548413568, 562845504, 668379036, 822620352, 891172048, 1125691008, 1336758072, 1645240704, 1782344096, 2673516144, 3564688192, 5347032288, 7129376384, 10694064576, 21388129152]

約数ペア:

[(1, 21388129152), (2, 10694064576), (3, 7129376384), (4, 5347032288), (6, 3564688192), (8, 2673516144), (12, 1782344096), (13, 1645240704), (16, 1336758072), (19, 1125691008), (24, 891172048), (26, 822620352), (32, 668379036), (38, 562845504), (39, 548413568), (48, 445586024), (52, 411310176), (57, 375230336), (64, 334189518), (76, 281422752), (78, 274206784), (96, 222793012), (104, 205655088), (114, 187615168), (128, 167094759), (152, 140711376), (156, 137103392), (192, 111396506), (208, 102827544), (228, 93807584), (247, 86591616), (304, 70355688), (312, 68551696), (384, 55698253), (416, 51413772), (456, 46903792), (494, 43295808), (608, 35177844), (624, 34275848), (741, 28863872), (832, 25706886), (912, 23451896), (988, 21647904), (1216, 17588922), (1248, 17137924), (1482, 14431936), (1664, 12853443), (1824, 11725948), (1976, 10823952), (2432, 8794461), (2496, 8568962), (2964, 7215968), (3648, 5862974), (3952, 5411976), (4992, 4284481), (5928, 3607984), (7296, 2931487), (7904, 2705988), (11856, 1803992), (15808, 1352994), (23712, 901996), (31616, 676497), (47424, 450998), (94848, 225499)]