21107034

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{281}}^1$

素因数の和:412

約数の個数: 64

約数和(自身を含む): 51166080

約数和(自身を除く): 30059046

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 107, 117, 214, 234, 281, 321, 351, 562, 642, 702, 843, 963, 1391, 1686, 1926, 2529, 2782, 2889, 3653, 4173, 5058, 5778, 7306, 7587, 8346, 10959, 12519, 15174, 21918, 25038, 30067, 32877, 37557, 60134, 65754, 75114, 90201, 98631, 180402, 197262, 270603, 390871, 541206, 781742, 811809, 1172613, 1623618, 2345226, 3517839, 7035678, 10553517, 21107034]

約数ペア:

[(1, 21107034), (2, 10553517), (3, 7035678), (6, 3517839), (9, 2345226), (13, 1623618), (18, 1172613), (26, 811809), (27, 781742), (39, 541206), (54, 390871), (78, 270603), (107, 197262), (117, 180402), (214, 98631), (234, 90201), (281, 75114), (321, 65754), (351, 60134), (562, 37557), (642, 32877), (702, 30067), (843, 25038), (963, 21918), (1391, 15174), (1686, 12519), (1926, 10959), (2529, 8346), (2782, 7587), (2889, 7306), (3653, 5778), (4173, 5058)]