21063078

素因数分解:

$2^1\times 3^4\times {\mathrm{23}}^1\times {\mathrm{5653}}^1$

素因数の和:5690

約数の個数: 40

約数和(自身を含む): 49257648

約数和(自身を除く): 28194570

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 81, 138, 162, 207, 414, 621, 1242, 1863, 3726, 5653, 11306, 16959, 33918, 50877, 101754, 130019, 152631, 260038, 305262, 390057, 457893, 780114, 915786, 1170171, 2340342, 3510513, 7021026, 10531539, 21063078]

約数ペア:

[(1, 21063078), (2, 10531539), (3, 7021026), (6, 3510513), (9, 2340342), (18, 1170171), (23, 915786), (27, 780114), (46, 457893), (54, 390057), (69, 305262), (81, 260038), (138, 152631), (162, 130019), (207, 101754), (414, 50877), (621, 33918), (1242, 16959), (1863, 11306), (3726, 5653)]