21954688

素因数分解:

$2^7\times 7^1\times {\mathrm{107}}^1\times {\mathrm{229}}^1$

素因数の和:357

約数の個数: 64

約数和(自身を含む): 50673600

約数和(自身を除く): 28718912

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 107, 112, 128, 214, 224, 229, 428, 448, 458, 749, 856, 896, 916, 1498, 1603, 1712, 1832, 2996, 3206, 3424, 3664, 5992, 6412, 6848, 7328, 11984, 12824, 13696, 14656, 23968, 24503, 25648, 29312, 47936, 49006, 51296, 95872, 98012, 102592, 171521, 196024, 205184, 343042, 392048, 686084, 784096, 1372168, 1568192, 2744336, 3136384, 5488672, 10977344, 21954688]

約数ペア:

[(1, 21954688), (2, 10977344), (4, 5488672), (7, 3136384), (8, 2744336), (14, 1568192), (16, 1372168), (28, 784096), (32, 686084), (56, 392048), (64, 343042), (107, 205184), (112, 196024), (128, 171521), (214, 102592), (224, 98012), (229, 95872), (428, 51296), (448, 49006), (458, 47936), (749, 29312), (856, 25648), (896, 24503), (916, 23968), (1498, 14656), (1603, 13696), (1712, 12824), (1832, 11984), (2996, 7328), (3206, 6848), (3424, 6412), (3664, 5992)]