21023604

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{27809}}^1$

素因数の和:27829

約数の個数: 48

約数和(自身を含む): 62294400

約数和(自身を除く): 41270796

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 27809, 55618, 83427, 111236, 166854, 194663, 250281, 333708, 389326, 500562, 583989, 750843, 778652, 1001124, 1167978, 1501686, 1751967, 2335956, 3003372, 3503934, 5255901, 7007868, 10511802, 21023604]

約数ペア:

[(1, 21023604), (2, 10511802), (3, 7007868), (4, 5255901), (6, 3503934), (7, 3003372), (9, 2335956), (12, 1751967), (14, 1501686), (18, 1167978), (21, 1001124), (27, 778652), (28, 750843), (36, 583989), (42, 500562), (54, 389326), (63, 333708), (84, 250281), (108, 194663), (126, 166854), (189, 111236), (252, 83427), (378, 55618), (756, 27809)]