21885779968

素因数分解:

$2^{15}\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{619}}^1$

素因数の和:745

約数の個数: 128

約数和(自身を含む): 47782879200

約数和(自身を除く): 25897099232

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 83, 104, 128, 166, 208, 256, 332, 416, 512, 619, 664, 832, 1024, 1079, 1238, 1328, 1664, 2048, 2158, 2476, 2656, 3328, 4096, 4316, 4952, 5312, 6656, 8047, 8192, 8632, 9904, 10624, 13312, 16094, 16384, 17264, 19808, 21248, 26624, 32188, 32768, 34528, 39616, 42496, 51377, 53248, 64376, 69056, 79232, 84992, 102754, 106496, 128752, 138112, 158464, 169984, 205508, 212992, 257504, 276224, 316928, 339968, 411016, 425984, 515008, 552448, 633856, 667901, 679936, 822032, 1030016, 1104896, 1267712, 1335802, 1359872, 1644064, 2060032, 2209792, 2535424, 2671604, 2719744, 3288128, 4120064, 4419584, 5070848, 5343208, 6576256, 8240128, 8839168, 10141696, 10686416, 13152512, 16480256, 17678336, 20283392, 21372832, 26305024, 32960512, 35356672, 42745664, 52610048, 65921024, 85491328, 105220096, 131842048, 170982656, 210440192, 263684096, 341965312, 420880384, 683930624, 841760768, 1367861248, 1683521536, 2735722496, 5471444992, 10942889984, 21885779968]

約数ペア:

[(1, 21885779968), (2, 10942889984), (4, 5471444992), (8, 2735722496), (13, 1683521536), (16, 1367861248), (26, 841760768), (32, 683930624), (52, 420880384), (64, 341965312), (83, 263684096), (104, 210440192), (128, 170982656), (166, 131842048), (208, 105220096), (256, 85491328), (332, 65921024), (416, 52610048), (512, 42745664), (619, 35356672), (664, 32960512), (832, 26305024), (1024, 21372832), (1079, 20283392), (1238, 17678336), (1328, 16480256), (1664, 13152512), (2048, 10686416), (2158, 10141696), (2476, 8839168), (2656, 8240128), (3328, 6576256), (4096, 5343208), (4316, 5070848), (4952, 4419584), (5312, 4120064), (6656, 3288128), (8047, 2719744), (8192, 2671604), (8632, 2535424), (9904, 2209792), (10624, 2060032), (13312, 1644064), (16094, 1359872), (16384, 1335802), (17264, 1267712), (19808, 1104896), (21248, 1030016), (26624, 822032), (32188, 679936), (32768, 667901), (34528, 633856), (39616, 552448), (42496, 515008), (51377, 425984), (53248, 411016), (64376, 339968), (69056, 316928), (79232, 276224), (84992, 257504), (102754, 212992), (106496, 205508), (128752, 169984), (138112, 158464)]