21762664

素因数分解:

$2^3\times 7^4\times {\mathrm{11}}^1\times {\mathrm{103}}^1$

素因数の和:148

約数の個数: 80

約数和(自身を含む): 52434720

約数和(自身を除く): 30672056

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 103, 154, 196, 206, 308, 343, 392, 412, 539, 616, 686, 721, 824, 1078, 1133, 1372, 1442, 2156, 2266, 2401, 2744, 2884, 3773, 4312, 4532, 4802, 5047, 5768, 7546, 7931, 9064, 9604, 10094, 15092, 15862, 19208, 20188, 26411, 30184, 31724, 35329, 40376, 52822, 55517, 63448, 70658, 105644, 111034, 141316, 211288, 222068, 247303, 282632, 388619, 444136, 494606, 777238, 989212, 1554476, 1978424, 2720333, 3108952, 5440666, 10881332, 21762664]

約数ペア:

[(1, 21762664), (2, 10881332), (4, 5440666), (7, 3108952), (8, 2720333), (11, 1978424), (14, 1554476), (22, 989212), (28, 777238), (44, 494606), (49, 444136), (56, 388619), (77, 282632), (88, 247303), (98, 222068), (103, 211288), (154, 141316), (196, 111034), (206, 105644), (308, 70658), (343, 63448), (392, 55517), (412, 52822), (539, 40376), (616, 35329), (686, 31724), (721, 30184), (824, 26411), (1078, 20188), (1133, 19208), (1372, 15862), (1442, 15092), (2156, 10094), (2266, 9604), (2401, 9064), (2744, 7931), (2884, 7546), (3773, 5768), (4312, 5047), (4532, 4802)]