21028272

素因数分解:

$2^4\times 3^1\times {\mathrm{307}}^1\times {\mathrm{1427}}^1$

素因数の和:1745

約数の個数: 40

約数和(自身を含む): 54538176

約数和(自身を除く): 33509904

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 307, 614, 921, 1228, 1427, 1842, 2456, 2854, 3684, 4281, 4912, 5708, 7368, 8562, 11416, 14736, 17124, 22832, 34248, 68496, 438089, 876178, 1314267, 1752356, 2628534, 3504712, 5257068, 7009424, 10514136, 21028272]

約数ペア:

[(1, 21028272), (2, 10514136), (3, 7009424), (4, 5257068), (6, 3504712), (8, 2628534), (12, 1752356), (16, 1314267), (24, 876178), (48, 438089), (307, 68496), (614, 34248), (921, 22832), (1228, 17124), (1427, 14736), (1842, 11416), (2456, 8562), (2854, 7368), (3684, 5708), (4281, 4912)]