21585564

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{599}}^1$

素因数の和:640

約数の個数: 144

約数和(自身を含む): 73382400

約数和(自身を除く): 51796836

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 13, 14, 18, 21, 22, 26, 28, 33, 36, 39, 42, 44, 52, 63, 66, 77, 78, 84, 91, 99, 117, 126, 132, 143, 154, 156, 182, 198, 231, 234, 252, 273, 286, 308, 364, 396, 429, 462, 468, 546, 572, 599, 693, 819, 858, 924, 1001, 1092, 1198, 1287, 1386, 1638, 1716, 1797, 2002, 2396, 2574, 2772, 3003, 3276, 3594, 4004, 4193, 5148, 5391, 6006, 6589, 7188, 7787, 8386, 9009, 10782, 12012, 12579, 13178, 15574, 16772, 18018, 19767, 21564, 23361, 25158, 26356, 31148, 36036, 37737, 39534, 46123, 46722, 50316, 54509, 59301, 70083, 75474, 79068, 85657, 92246, 93444, 109018, 118602, 138369, 140166, 150948, 163527, 171314, 184492, 218036, 237204, 256971, 276738, 280332, 327054, 342628, 415107, 490581, 513942, 553476, 599599, 654108, 770913, 830214, 981162, 1027884, 1199198, 1541826, 1660428, 1798797, 1962324, 2398396, 3083652, 3597594, 5396391, 7195188, 10792782, 21585564]

約数ペア:

[(1, 21585564), (2, 10792782), (3, 7195188), (4, 5396391), (6, 3597594), (7, 3083652), (9, 2398396), (11, 1962324), (12, 1798797), (13, 1660428), (14, 1541826), (18, 1199198), (21, 1027884), (22, 981162), (26, 830214), (28, 770913), (33, 654108), (36, 599599), (39, 553476), (42, 513942), (44, 490581), (52, 415107), (63, 342628), (66, 327054), (77, 280332), (78, 276738), (84, 256971), (91, 237204), (99, 218036), (117, 184492), (126, 171314), (132, 163527), (143, 150948), (154, 140166), (156, 138369), (182, 118602), (198, 109018), (231, 93444), (234, 92246), (252, 85657), (273, 79068), (286, 75474), (308, 70083), (364, 59301), (396, 54509), (429, 50316), (462, 46722), (468, 46123), (546, 39534), (572, 37737), (599, 36036), (693, 31148), (819, 26356), (858, 25158), (924, 23361), (1001, 21564), (1092, 19767), (1198, 18018), (1287, 16772), (1386, 15574), (1638, 13178), (1716, 12579), (1797, 12012), (2002, 10782), (2396, 9009), (2574, 8386), (2772, 7787), (3003, 7188), (3276, 6589), (3594, 6006), (4004, 5391), (4193, 5148)]