21570368

素因数分解:

$2^6\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:231

約数の個数: 56

約数和(自身を含む): 44769024

約数和(自身を除く): 23198656

約数列:

[1, 2, 4, 8, 16, 32, 47, 64, 71, 94, 101, 142, 188, 202, 284, 376, 404, 568, 752, 808, 1136, 1504, 1616, 2272, 3008, 3232, 3337, 4544, 4747, 6464, 6674, 7171, 9494, 13348, 14342, 18988, 26696, 28684, 37976, 53392, 57368, 75952, 106784, 114736, 151904, 213568, 229472, 303808, 337037, 458944, 674074, 1348148, 2696296, 5392592, 10785184, 21570368]

約数ペア:

[(1, 21570368), (2, 10785184), (4, 5392592), (8, 2696296), (16, 1348148), (32, 674074), (47, 458944), (64, 337037), (71, 303808), (94, 229472), (101, 213568), (142, 151904), (188, 114736), (202, 106784), (284, 75952), (376, 57368), (404, 53392), (568, 37976), (752, 28684), (808, 26696), (1136, 18988), (1504, 14342), (1616, 13348), (2272, 9494), (3008, 7171), (3232, 6674), (3337, 6464), (4544, 4747)]