21860608

素因数分解:

$2^8\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1109}}^1$

素因数の和:1143

約数の個数: 72

約数和(自身を含む): 54452160

約数和(自身を除く): 32591552

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 128, 154, 176, 224, 256, 308, 352, 448, 616, 704, 896, 1109, 1232, 1408, 1792, 2218, 2464, 2816, 4436, 4928, 7763, 8872, 9856, 12199, 15526, 17744, 19712, 24398, 31052, 35488, 48796, 62104, 70976, 85393, 97592, 124208, 141952, 170786, 195184, 248416, 283904, 341572, 390368, 496832, 683144, 780736, 993664, 1366288, 1561472, 1987328, 2732576, 3122944, 5465152, 10930304, 21860608]

約数ペア:

[(1, 21860608), (2, 10930304), (4, 5465152), (7, 3122944), (8, 2732576), (11, 1987328), (14, 1561472), (16, 1366288), (22, 993664), (28, 780736), (32, 683144), (44, 496832), (56, 390368), (64, 341572), (77, 283904), (88, 248416), (112, 195184), (128, 170786), (154, 141952), (176, 124208), (224, 97592), (256, 85393), (308, 70976), (352, 62104), (448, 48796), (616, 35488), (704, 31052), (896, 24398), (1109, 19712), (1232, 17744), (1408, 15526), (1792, 12199), (2218, 9856), (2464, 8872), (2816, 7763), (4436, 4928)]