21011328

素因数分解:

$2^7\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:117

約数の個数: 192

約数和(自身を含む): 69058080

約数和(自身を除く): 48046752

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 23, 24, 26, 32, 36, 39, 46, 48, 52, 61, 64, 69, 72, 78, 92, 96, 104, 117, 122, 128, 138, 144, 156, 183, 184, 192, 207, 208, 234, 244, 276, 288, 299, 312, 366, 368, 384, 414, 416, 468, 488, 549, 552, 576, 598, 624, 732, 736, 793, 828, 832, 897, 936, 976, 1098, 1104, 1152, 1196, 1248, 1403, 1464, 1472, 1586, 1656, 1664, 1794, 1872, 1952, 2196, 2208, 2379, 2392, 2496, 2691, 2806, 2928, 2944, 3172, 3312, 3588, 3744, 3904, 4209, 4392, 4416, 4758, 4784, 4992, 5382, 5612, 5856, 6344, 6624, 7137, 7176, 7488, 7808, 8418, 8784, 8832, 9516, 9568, 10764, 11224, 11712, 12627, 12688, 13248, 14274, 14352, 14976, 16836, 17568, 18239, 19032, 19136, 21528, 22448, 23424, 25254, 25376, 26496, 28548, 28704, 33672, 35136, 36478, 38064, 38272, 43056, 44896, 50508, 50752, 54717, 57096, 57408, 67344, 70272, 72956, 76128, 86112, 89792, 101016, 101504, 109434, 114192, 114816, 134688, 145912, 152256, 164151, 172224, 179584, 202032, 218868, 228384, 269376, 291824, 304512, 328302, 344448, 404064, 437736, 456768, 538752, 583648, 656604, 808128, 875472, 913536, 1167296, 1313208, 1616256, 1750944, 2334592, 2626416, 3501888, 5252832, 7003776, 10505664, 21011328]

約数ペア:

[(1, 21011328), (2, 10505664), (3, 7003776), (4, 5252832), (6, 3501888), (8, 2626416), (9, 2334592), (12, 1750944), (13, 1616256), (16, 1313208), (18, 1167296), (23, 913536), (24, 875472), (26, 808128), (32, 656604), (36, 583648), (39, 538752), (46, 456768), (48, 437736), (52, 404064), (61, 344448), (64, 328302), (69, 304512), (72, 291824), (78, 269376), (92, 228384), (96, 218868), (104, 202032), (117, 179584), (122, 172224), (128, 164151), (138, 152256), (144, 145912), (156, 134688), (183, 114816), (184, 114192), (192, 109434), (207, 101504), (208, 101016), (234, 89792), (244, 86112), (276, 76128), (288, 72956), (299, 70272), (312, 67344), (366, 57408), (368, 57096), (384, 54717), (414, 50752), (416, 50508), (468, 44896), (488, 43056), (549, 38272), (552, 38064), (576, 36478), (598, 35136), (624, 33672), (732, 28704), (736, 28548), (793, 26496), (828, 25376), (832, 25254), (897, 23424), (936, 22448), (976, 21528), (1098, 19136), (1104, 19032), (1152, 18239), (1196, 17568), (1248, 16836), (1403, 14976), (1464, 14352), (1472, 14274), (1586, 13248), (1656, 12688), (1664, 12627), (1794, 11712), (1872, 11224), (1952, 10764), (2196, 9568), (2208, 9516), (2379, 8832), (2392, 8784), (2496, 8418), (2691, 7808), (2806, 7488), (2928, 7176), (2944, 7137), (3172, 6624), (3312, 6344), (3588, 5856), (3744, 5612), (3904, 5382), (4209, 4992), (4392, 4784), (4416, 4758)]