21178752

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{7879}}^1$

素因数の和:7903

約数の個数: 64

約数和(自身を含む): 64300800

約数和(自身を除く): 43122048

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 336, 384, 448, 672, 896, 1344, 2688, 7879, 15758, 23637, 31516, 47274, 55153, 63032, 94548, 110306, 126064, 165459, 189096, 220612, 252128, 330918, 378192, 441224, 504256, 661836, 756384, 882448, 1008512, 1323672, 1512768, 1764896, 2647344, 3025536, 3529792, 5294688, 7059584, 10589376, 21178752]

約数ペア:

[(1, 21178752), (2, 10589376), (3, 7059584), (4, 5294688), (6, 3529792), (7, 3025536), (8, 2647344), (12, 1764896), (14, 1512768), (16, 1323672), (21, 1008512), (24, 882448), (28, 756384), (32, 661836), (42, 504256), (48, 441224), (56, 378192), (64, 330918), (84, 252128), (96, 220612), (112, 189096), (128, 165459), (168, 126064), (192, 110306), (224, 94548), (336, 63032), (384, 55153), (448, 47274), (672, 31516), (896, 23637), (1344, 15758), (2688, 7879)]