21837760

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{9749}}^1$

素因数の和:9773

約数の個数: 56

約数和(自身を含む): 59436000

約数和(自身を除く): 37598240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 9749, 19498, 38996, 48745, 68243, 77992, 97490, 136486, 155984, 194980, 272972, 311968, 341215, 389960, 545944, 623936, 682430, 779920, 1091888, 1364860, 1559840, 2183776, 2729720, 3119680, 4367552, 5459440, 10918880, 21837760]

約数ペア:

[(1, 21837760), (2, 10918880), (4, 5459440), (5, 4367552), (7, 3119680), (8, 2729720), (10, 2183776), (14, 1559840), (16, 1364860), (20, 1091888), (28, 779920), (32, 682430), (35, 623936), (40, 545944), (56, 389960), (64, 341215), (70, 311968), (80, 272972), (112, 194980), (140, 155984), (160, 136486), (224, 97490), (280, 77992), (320, 68243), (448, 48745), (560, 38996), (1120, 19498), (2240, 9749)]