21989888

素因数分解:

$2^9\times {\mathrm{29}}^1\times {\mathrm{1481}}^1$

素因数の和:1528

約数の個数: 40

約数和(自身を含む): 45482580

約数和(自身を除く): 23492692

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 128, 232, 256, 464, 512, 928, 1481, 1856, 2962, 3712, 5924, 7424, 11848, 14848, 23696, 42949, 47392, 85898, 94784, 171796, 189568, 343592, 379136, 687184, 758272, 1374368, 2748736, 5497472, 10994944, 21989888]

約数ペア:

[(1, 21989888), (2, 10994944), (4, 5497472), (8, 2748736), (16, 1374368), (29, 758272), (32, 687184), (58, 379136), (64, 343592), (116, 189568), (128, 171796), (232, 94784), (256, 85898), (464, 47392), (512, 42949), (928, 23696), (1481, 14848), (1856, 11848), (2962, 7424), (3712, 5924)]