21086884

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3049}}^1$

素因数の和:3092

約数の個数: 48

約数和(自身を含む): 47824000

約数和(自身を除く): 26737116

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 182, 247, 266, 364, 494, 532, 988, 1729, 3049, 3458, 6098, 6916, 12196, 21343, 39637, 42686, 57931, 79274, 85372, 115862, 158548, 231724, 277459, 405517, 554918, 753103, 811034, 1109836, 1506206, 1622068, 3012412, 5271721, 10543442, 21086884]

約数ペア:

[(1, 21086884), (2, 10543442), (4, 5271721), (7, 3012412), (13, 1622068), (14, 1506206), (19, 1109836), (26, 811034), (28, 753103), (38, 554918), (52, 405517), (76, 277459), (91, 231724), (133, 158548), (182, 115862), (247, 85372), (266, 79274), (364, 57931), (494, 42686), (532, 39637), (988, 21343), (1729, 12196), (3049, 6916), (3458, 6098)]