21472640

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{4793}}^1$

素因数の和:4819

約数の個数: 64

約数和(自身を含む): 58678560

約数和(自身を除く): 37205920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 4793, 9586, 19172, 23965, 33551, 38344, 47930, 67102, 76688, 95860, 134204, 153376, 167755, 191720, 268408, 306752, 335510, 383440, 536816, 613504, 671020, 766880, 1073632, 1342040, 1533760, 2147264, 2684080, 3067520, 4294528, 5368160, 10736320, 21472640]

約数ペア:

[(1, 21472640), (2, 10736320), (4, 5368160), (5, 4294528), (7, 3067520), (8, 2684080), (10, 2147264), (14, 1533760), (16, 1342040), (20, 1073632), (28, 766880), (32, 671020), (35, 613504), (40, 536816), (56, 383440), (64, 335510), (70, 306752), (80, 268408), (112, 191720), (128, 167755), (140, 153376), (160, 134204), (224, 95860), (280, 76688), (320, 67102), (448, 47930), (560, 38344), (640, 33551), (896, 23965), (1120, 19172), (2240, 9586), (4480, 4793)]