21373494272

素因数分解:

$2^{10}\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{26321}}^1$

素因数の和:26415

約数の個数: 88

約数和(自身を含む): 46768824312

約数和(自身を除く): 25395330040

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 61, 64, 104, 122, 128, 208, 244, 256, 416, 488, 512, 793, 832, 976, 1024, 1586, 1664, 1952, 3172, 3328, 3904, 6344, 6656, 7808, 12688, 13312, 15616, 25376, 26321, 31232, 50752, 52642, 62464, 101504, 105284, 203008, 210568, 342173, 406016, 421136, 684346, 812032, 842272, 1368692, 1605581, 1684544, 2737384, 3211162, 3369088, 5474768, 6422324, 6738176, 10949536, 12844648, 13476352, 20872553, 21899072, 25689296, 26952704, 41745106, 43798144, 51378592, 83490212, 87596288, 102757184, 166980424, 175192576, 205514368, 333960848, 350385152, 411028736, 667921696, 822057472, 1335843392, 1644114944, 2671686784, 5343373568, 10686747136, 21373494272]

約数ペア:

[(1, 21373494272), (2, 10686747136), (4, 5343373568), (8, 2671686784), (13, 1644114944), (16, 1335843392), (26, 822057472), (32, 667921696), (52, 411028736), (61, 350385152), (64, 333960848), (104, 205514368), (122, 175192576), (128, 166980424), (208, 102757184), (244, 87596288), (256, 83490212), (416, 51378592), (488, 43798144), (512, 41745106), (793, 26952704), (832, 25689296), (976, 21899072), (1024, 20872553), (1586, 13476352), (1664, 12844648), (1952, 10949536), (3172, 6738176), (3328, 6422324), (3904, 5474768), (6344, 3369088), (6656, 3211162), (7808, 2737384), (12688, 1684544), (13312, 1605581), (15616, 1368692), (25376, 842272), (26321, 812032), (31232, 684346), (50752, 421136), (52642, 406016), (62464, 342173), (101504, 210568), (105284, 203008)]