21331072

素因数分解:

$2^7\times 7^2\times {\mathrm{19}}^1\times {\mathrm{179}}^1$

素因数の和:226

約数の個数: 96

約数和(自身を含む): 52326000

約数和(自身を除く): 30994928

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 49, 56, 64, 76, 98, 112, 128, 133, 152, 179, 196, 224, 266, 304, 358, 392, 448, 532, 608, 716, 784, 896, 931, 1064, 1216, 1253, 1432, 1568, 1862, 2128, 2432, 2506, 2864, 3136, 3401, 3724, 4256, 5012, 5728, 6272, 6802, 7448, 8512, 8771, 10024, 11456, 13604, 14896, 17024, 17542, 20048, 22912, 23807, 27208, 29792, 35084, 40096, 47614, 54416, 59584, 70168, 80192, 95228, 108832, 119168, 140336, 160384, 166649, 190456, 217664, 280672, 333298, 380912, 435328, 561344, 666596, 761824, 1122688, 1333192, 1523648, 2666384, 3047296, 5332768, 10665536, 21331072]

約数ペア:

[(1, 21331072), (2, 10665536), (4, 5332768), (7, 3047296), (8, 2666384), (14, 1523648), (16, 1333192), (19, 1122688), (28, 761824), (32, 666596), (38, 561344), (49, 435328), (56, 380912), (64, 333298), (76, 280672), (98, 217664), (112, 190456), (128, 166649), (133, 160384), (152, 140336), (179, 119168), (196, 108832), (224, 95228), (266, 80192), (304, 70168), (358, 59584), (392, 54416), (448, 47614), (532, 40096), (608, 35084), (716, 29792), (784, 27208), (896, 23807), (931, 22912), (1064, 20048), (1216, 17542), (1253, 17024), (1432, 14896), (1568, 13604), (1862, 11456), (2128, 10024), (2432, 8771), (2506, 8512), (2864, 7448), (3136, 6802), (3401, 6272), (3724, 5728), (4256, 5012)]