21572096

素因数分解:

$2^9\times 7^1\times {\mathrm{13}}^1\times {\mathrm{463}}^1$

素因数の和:501

約数の個数: 80

約数和(自身を含む): 53163264

約数和(自身を除く): 31591168

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 256, 364, 416, 448, 463, 512, 728, 832, 896, 926, 1456, 1664, 1792, 1852, 2912, 3241, 3328, 3584, 3704, 5824, 6019, 6482, 6656, 7408, 11648, 12038, 12964, 14816, 23296, 24076, 25928, 29632, 42133, 46592, 48152, 51856, 59264, 84266, 96304, 103712, 118528, 168532, 192608, 207424, 237056, 337064, 385216, 414848, 674128, 770432, 829696, 1348256, 1540864, 1659392, 2696512, 3081728, 5393024, 10786048, 21572096]

約数ペア:

[(1, 21572096), (2, 10786048), (4, 5393024), (7, 3081728), (8, 2696512), (13, 1659392), (14, 1540864), (16, 1348256), (26, 829696), (28, 770432), (32, 674128), (52, 414848), (56, 385216), (64, 337064), (91, 237056), (104, 207424), (112, 192608), (128, 168532), (182, 118528), (208, 103712), (224, 96304), (256, 84266), (364, 59264), (416, 51856), (448, 48152), (463, 46592), (512, 42133), (728, 29632), (832, 25928), (896, 24076), (926, 23296), (1456, 14816), (1664, 12964), (1792, 12038), (1852, 11648), (2912, 7408), (3241, 6656), (3328, 6482), (3584, 6019), (3704, 5824)]