21167978624

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{1289}}^1$

素因数の和:1526

約数の個数: 128

約数和(自身を含む): 46421424000

約数和(自身を除く): 25253445376

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 71, 104, 128, 139, 142, 208, 278, 284, 416, 556, 568, 832, 923, 1112, 1136, 1289, 1664, 1807, 1846, 2224, 2272, 2578, 3614, 3692, 4448, 4544, 5156, 7228, 7384, 8896, 9088, 9869, 10312, 14456, 14768, 16757, 17792, 19738, 20624, 28912, 29536, 33514, 39476, 41248, 57824, 59072, 67028, 78952, 82496, 91519, 115648, 118144, 128297, 134056, 157904, 164992, 179171, 183038, 231296, 256594, 268112, 315808, 358342, 366076, 513188, 536224, 631616, 716684, 732152, 1026376, 1072448, 1189747, 1263232, 1433368, 1464304, 2052752, 2144896, 2329223, 2379494, 2866736, 2928608, 4105504, 4658446, 4758988, 5733472, 5857216, 8211008, 9316892, 9517976, 11466944, 11714432, 12721141, 16422016, 18633784, 19035952, 22933888, 25442282, 37267568, 38071904, 50884564, 74535136, 76143808, 101769128, 149070272, 152287616, 165374833, 203538256, 298140544, 330749666, 407076512, 661499332, 814153024, 1322998664, 1628306048, 2645997328, 5291994656, 10583989312, 21167978624]

約数ペア:

[(1, 21167978624), (2, 10583989312), (4, 5291994656), (8, 2645997328), (13, 1628306048), (16, 1322998664), (26, 814153024), (32, 661499332), (52, 407076512), (64, 330749666), (71, 298140544), (104, 203538256), (128, 165374833), (139, 152287616), (142, 149070272), (208, 101769128), (278, 76143808), (284, 74535136), (416, 50884564), (556, 38071904), (568, 37267568), (832, 25442282), (923, 22933888), (1112, 19035952), (1136, 18633784), (1289, 16422016), (1664, 12721141), (1807, 11714432), (1846, 11466944), (2224, 9517976), (2272, 9316892), (2578, 8211008), (3614, 5857216), (3692, 5733472), (4448, 4758988), (4544, 4658446), (5156, 4105504), (7228, 2928608), (7384, 2866736), (8896, 2379494), (9088, 2329223), (9869, 2144896), (10312, 2052752), (14456, 1464304), (14768, 1433368), (16757, 1263232), (17792, 1189747), (19738, 1072448), (20624, 1026376), (28912, 732152), (29536, 716684), (33514, 631616), (39476, 536224), (41248, 513188), (57824, 366076), (59072, 358342), (67028, 315808), (78952, 268112), (82496, 256594), (91519, 231296), (115648, 183038), (118144, 179171), (128297, 164992), (134056, 157904)]