21644728

素因数分解:

$2^3\times 7^1\times {\mathrm{307}}^1\times {\mathrm{1259}}^1$

素因数の和:1579

約数の個数: 32

約数和(自身を含む): 46569600

約数和(自身を除く): 24924872

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 307, 614, 1228, 1259, 2149, 2456, 2518, 4298, 5036, 8596, 8813, 10072, 17192, 17626, 35252, 70504, 386513, 773026, 1546052, 2705591, 3092104, 5411182, 10822364, 21644728]

約数ペア:

[(1, 21644728), (2, 10822364), (4, 5411182), (7, 3092104), (8, 2705591), (14, 1546052), (28, 773026), (56, 386513), (307, 70504), (614, 35252), (1228, 17626), (1259, 17192), (2149, 10072), (2456, 8813), (2518, 8596), (4298, 5036)]